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1406 行
44 KiB
1406 行
44 KiB
using System;
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using UnityEngine;
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namespace Unity.UIWidgets.ui {
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public static class MathUtils {
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public static double clamp(this double value, double min, double max) {
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if (value < min) {
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value = min;
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}
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else if (value > max) {
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value = max;
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}
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return value;
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}
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public static float clamp(this float value, float min, float max) {
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if (value < min) {
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value = min;
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}
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else if (value > max) {
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value = max;
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}
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return value;
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}
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public static int clamp(this int value, int min, int max) {
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if (value < min) {
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value = min;
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}
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else if (value > max) {
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value = max;
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}
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return value;
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}
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public static double abs(this double value) {
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return Math.Abs(value);
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}
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public static float abs(this float value) {
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return Mathf.Abs(value);
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}
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public static int sign(this double value) {
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return Math.Sign(value);
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}
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public static int sign(this float value) {
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return (int) Mathf.Sign(value);
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}
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public static bool isInfinite(this double it) {
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return double.IsInfinity(it);
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}
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public static bool isFinite(this double it) {
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return !double.IsInfinity(it);
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}
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public static bool isNaN(this double it) {
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return double.IsNaN(it);
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}
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public static double lerpDouble(double a, double b, double t) {
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return a + (b - a) * t;
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}
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public static double? lerpNullableDouble(double? a, double? b, double t) {
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if (a == null && b == null) {
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return null;
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}
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a = a ?? b;
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b = b ?? a;
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return (double) a + ((double) b - (double) a) * t;
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}
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public static float lerpFloat(float a, float b, float t) {
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return a + (b - a) * t;
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}
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public static int round(this double value) {
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return (int) Math.Round(value);
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}
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public static int floor(this double value) {
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return (int) Math.Floor(value);
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}
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public static int ceil(this double value) {
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return (int) Math.Ceiling(value);
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}
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public static int round(this float value) {
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return Mathf.RoundToInt(value);
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}
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public static int floor(this float value) {
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return Mathf.FloorToInt(value);
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}
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public static int ceil(this float value) {
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return Mathf.CeilToInt(value);
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}
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}
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public abstract class OffsetBase : IEquatable<OffsetBase> {
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protected OffsetBase(double _dx, double _dy) {
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this._dx = _dx;
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this._dy = _dy;
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}
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public readonly double _dx;
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public readonly double _dy;
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public bool isInfinite {
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get { return double.IsInfinity(this._dx) || double.IsInfinity(this._dy); }
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}
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public bool isFinite {
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get { return !double.IsInfinity(this._dx) && !double.IsInfinity(this._dy); }
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}
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public static bool operator <(OffsetBase a, OffsetBase b) {
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return a._dx < b._dx && a._dy < b._dy;
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}
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public static bool operator <=(OffsetBase a, OffsetBase b) {
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return a._dx <= b._dx && a._dy <= b._dy;
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}
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public static bool operator >(OffsetBase a, OffsetBase b) {
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return a._dx > b._dx && a._dy > b._dy;
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}
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public static bool operator >=(OffsetBase a, OffsetBase b) {
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return a._dx >= b._dx && a._dy >= b._dy;
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}
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public bool Equals(OffsetBase other) {
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if (ReferenceEquals(null, other)) {
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return false;
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}
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if (ReferenceEquals(this, other)) {
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return true;
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}
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return this._dx.Equals(other._dx) && this._dy.Equals(other._dy);
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}
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public override bool Equals(object obj) {
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if (ReferenceEquals(null, obj)) {
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return false;
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}
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if (ReferenceEquals(this, obj)) {
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return true;
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}
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if (obj.GetType() != this.GetType()) {
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return false;
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}
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return this.Equals((OffsetBase) obj);
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}
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public override int GetHashCode() {
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unchecked {
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return (this._dx.GetHashCode() * 397) ^ this._dy.GetHashCode();
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}
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}
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public static bool operator ==(OffsetBase left, OffsetBase right) {
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return Equals(left, right);
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}
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public static bool operator !=(OffsetBase left, OffsetBase right) {
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return !Equals(left, right);
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}
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public override string ToString() {
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return $"{this.GetType()}({this._dx:F1}, {this._dy:F1})";
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}
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}
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public class Offset : OffsetBase, IEquatable<Offset> {
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public Offset(double dx, double dy) : base(dx, dy) {
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}
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public double dx {
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get { return this._dx; }
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}
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public double dy {
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get { return this._dy; }
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}
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public double distance {
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get { return Math.Sqrt(this._dx * this._dx + this._dy * this._dy); }
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}
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public double distanceSquared {
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get { return this._dx * this._dx + this._dy * this._dy; }
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}
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public static readonly Offset zero = new Offset(0.0, 0.0);
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public static readonly Offset infinite = new Offset(double.PositiveInfinity, double.PositiveInfinity);
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public Offset scale(double scaleX, double? scaleY = null) {
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scaleY = scaleY ?? scaleX;
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return new Offset(this.dx * scaleX, this.dy * scaleY.Value);
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}
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public Offset translate(double translateX, double translateY) {
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return new Offset(this.dx + translateX, this.dy + translateY);
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}
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public static Offset operator -(Offset a) {
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return new Offset(-a.dx, -a.dy);
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}
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public static Offset operator -(Offset a, Offset b) {
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return new Offset(a.dx - b.dx, a.dy - b.dy);
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}
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public static Offset operator +(Offset a, Offset b) {
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return new Offset(a.dx + b.dx, a.dy + b.dy);
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}
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public static Offset operator *(Offset a, double operand) {
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return new Offset(a.dx * operand, a.dy * operand);
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}
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public static Offset operator /(Offset a, double operand) {
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return new Offset(a.dx / operand, a.dy / operand);
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}
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public static Rect operator &(Offset a, Size other) {
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return Rect.fromLTWH(a.dx, a.dy, other.width, other.height);
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}
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public static Offset lerp(Offset a, Offset b, double t) {
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if (a == null && b == null) {
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return null;
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}
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if (a == null) {
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return b * t;
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}
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if (b == null) {
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return a * (1.0 - t);
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}
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return new Offset(MathUtils.lerpDouble(a.dx, b.dx, t), MathUtils.lerpDouble(a.dy, b.dy, t));
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}
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public bool Equals(Offset other) {
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return base.Equals(other);
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}
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public override bool Equals(object obj) {
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if (ReferenceEquals(null, obj)) {
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return false;
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}
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if (ReferenceEquals(this, obj)) {
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return true;
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}
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if (obj.GetType() != this.GetType()) {
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return false;
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}
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return this.Equals((Offset) obj);
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}
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public override int GetHashCode() {
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return base.GetHashCode();
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}
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public static bool operator ==(Offset left, Offset right) {
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return Equals(left, right);
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}
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public static bool operator !=(Offset left, Offset right) {
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return !Equals(left, right);
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}
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public override string ToString() {
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return $"Offset({this._dx:F1}, {this._dy:F1})";
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}
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}
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public class Size : OffsetBase, IEquatable<Size> {
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public Size(double width, double height) : base(width, height) {
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}
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public static Size copy(Size source) {
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return new Size(source.width, source.height);
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}
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public static Size square(double dimension) {
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return new Size(dimension, dimension);
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}
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public static Size fromWidth(double width) {
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return new Size(width, double.PositiveInfinity);
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}
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public static Size fromHeight(double height) {
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return new Size(double.PositiveInfinity, height);
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}
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public static Size fromRadius(double radius) {
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return new Size(radius * 2, radius * 2);
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}
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public double width {
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get { return this._dx; }
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}
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public double height {
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get { return this._dy; }
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}
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public static readonly Size zero = new Size(0.0, 0.0);
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public static readonly Size infinite = new Size(double.PositiveInfinity, double.PositiveInfinity);
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public bool isEmpty {
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get { return this.width <= 0.0 || this.height <= 0.0; }
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}
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public static Size operator -(Size a, Offset b) {
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return new Size(a.width - b.dx, a.height - b.dy);
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}
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public static Size operator +(Size a, Offset b) {
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return new Size(a.width + b.dx, a.height + b.dy);
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}
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public static Offset operator -(Size a, Size b) {
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return new Offset(a.width - b.width, a.height - b.height);
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}
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public static Size operator *(Size a, double operand) {
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return new Size(a.width * operand, a.height * operand);
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}
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public static Size operator /(Size a, double operand) {
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return new Size(a.width / operand, a.height / operand);
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}
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public double shortestSide {
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get { return Math.Min(this.width.abs(), this.height.abs()); }
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}
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public double longestSide {
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get { return Math.Max(this.width.abs(), this.height.abs()); }
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}
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public Offset topLeft(Offset origin) {
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return origin;
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}
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public Offset topCenter(Offset origin) {
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return new Offset(origin.dx + this.width / 2.0, origin.dy);
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}
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public Offset topRight(Offset origin) {
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return new Offset(origin.dx + this.width, origin.dy);
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}
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public Offset centerLeft(Offset origin) {
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return new Offset(origin.dx, origin.dy + this.height / 2.0);
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}
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public Offset center(Offset origin) {
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return new Offset(origin.dx + this.width / 2.0, origin.dy + this.height / 2.0);
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}
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public Offset centerRight(Offset origin) {
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return new Offset(origin.dx + this.width, origin.dy + this.height / 2.0);
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}
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public Offset bottomLeft(Offset origin) {
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return new Offset(origin.dx, origin.dy + this.height);
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}
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public Offset bottomCenter(Offset origin) {
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return new Offset(origin.dx + this.width / 2.0, origin.dy + this.height);
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}
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public Offset bottomRight(Offset origin) {
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return new Offset(origin.dx + this.width, origin.dy + this.height);
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}
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public bool contains(Offset offset) {
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return offset.dx >= 0.0 && offset.dx < this.width && offset.dy >= 0.0 && offset.dy < this.height;
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}
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public Size flipped {
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get { return new Size(this.height, this.width); }
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}
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public static Size lerp(Size a, Size b, double t) {
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if (a == null && b == null) {
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return null;
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}
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if (a == null) {
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return b * t;
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}
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if (b == null) {
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return a * (1.0 - t);
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}
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return new Size(MathUtils.lerpDouble(a.width, b.width, t), MathUtils.lerpDouble(a.height, b.height, t));
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}
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public bool Equals(Size other) {
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return base.Equals(other);
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}
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public override bool Equals(object obj) {
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if (ReferenceEquals(null, obj)) {
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return false;
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}
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if (ReferenceEquals(this, obj)) {
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return true;
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}
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if (obj.GetType() != this.GetType()) {
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return false;
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}
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return this.Equals((Size) obj);
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}
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public override int GetHashCode() {
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return base.GetHashCode();
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}
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public static bool operator ==(Size left, Size right) {
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return Equals(left, right);
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}
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public static bool operator !=(Size left, Size right) {
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return !Equals(left, right);
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}
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public override string ToString() {
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return $"Size({this._dx:F1}, {this._dy:F1})";
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}
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}
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public class Rect : IEquatable<Rect> {
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Rect(double left, double top, double right, double bottom) {
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this.left = left;
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this.top = top;
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this.right = right;
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this.bottom = bottom;
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}
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public static Rect fromLTRB(double left, double top, double right, double bottom) {
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return new Rect(left, top, right, bottom);
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}
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public static Rect fromLTWH(double left, double top, double width, double height) {
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return new Rect(left, top, left + width, top + height);
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}
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public static Rect fromCircle(Offset center, double radius) {
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return new Rect(center.dx - radius, center.dy - radius, center.dx + radius, center.dy + radius);
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}
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public static Rect fromPoints(Offset a, Offset b) {
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return new Rect(
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Math.Min(a.dx, b.dx),
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Math.Min(a.dy, b.dy),
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Math.Max(a.dx, b.dx),
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Math.Max(a.dy, b.dy)
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);
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}
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public readonly double left;
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public readonly double top;
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public readonly double right;
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public readonly double bottom;
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public double width {
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get { return this.right - this.left; }
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}
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public double height {
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get { return this.bottom - this.top; }
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}
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public Size size {
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get { return new Size(this.width, this.height); }
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}
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public static readonly Rect zero = new Rect(0, 0, 0, 0);
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public static readonly Rect one = new Rect(0, 0, 1, 1);
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public static readonly Rect infinity = new Rect(double.NegativeInfinity, double.NegativeInfinity,
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double.PositiveInfinity, double.PositiveInfinity);
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public const double _giantScalar = 1.0E+9;
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public static readonly Rect largest =
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fromLTRB(-_giantScalar, -_giantScalar, _giantScalar, _giantScalar);
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public bool isInfinite {
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get {
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return double.IsInfinity(this.left)
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|| double.IsInfinity(this.top)
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|| double.IsInfinity(this.right)
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|| double.IsInfinity(this.bottom);
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}
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}
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public bool isFinite {
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get { return !this.isInfinite; }
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}
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public bool isEmpty {
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get { return this.left >= this.right || this.top >= this.bottom; }
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}
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public Rect shift(Offset offset) {
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return fromLTRB(this.left + offset.dx, this.top + offset.dy, this.right + offset.dx,
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this.bottom + offset.dy);
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}
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public Rect translate(double translateX, double translateY) {
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return fromLTRB(this.left + translateX, this.top + translateY, this.right + translateX,
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this.bottom + translateY);
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}
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public Rect scale(double scaleX, double? scaleY = null) {
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scaleY = scaleY ?? scaleX;
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return fromLTRB(
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this.left * scaleX, this.top * scaleY.Value,
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this.right * scaleX, this.bottom * scaleY.Value);
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}
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public Rect inflate(double delta) {
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return fromLTRB(this.left - delta, this.top - delta, this.right + delta, this.bottom + delta);
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}
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public Rect deflate(double delta) {
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return this.inflate(-delta);
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}
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public Rect intersect(Rect other) {
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return fromLTRB(
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Math.Max(this.left, other.left),
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Math.Max(this.top, other.top),
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Math.Min(this.right, other.right),
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Math.Min(this.bottom, other.bottom)
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);
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}
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public Rect expandToInclude(Rect other) {
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return fromLTRB(
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Math.Min(this.left, other.left),
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Math.Min(this.top, other.top),
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Math.Max(this.right, other.right),
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Math.Max(this.bottom, other.bottom)
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);
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}
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public bool overlaps(Rect other) {
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if (this.right <= other.left || other.right <= this.left) {
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return false;
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}
|
|
|
|
if (this.bottom <= other.top || other.bottom <= this.top) {
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
public double shortestSide {
|
|
get { return Math.Min(Math.Abs(this.width), Math.Abs(this.height)); }
|
|
}
|
|
|
|
public double longestSide {
|
|
get { return Math.Max(Math.Abs(this.width), Math.Abs(this.height)); }
|
|
}
|
|
|
|
public Offset topLeft {
|
|
get { return new Offset(this.left, this.top); }
|
|
}
|
|
|
|
public Offset topCenter {
|
|
get { return new Offset(this.left + this.width / 2.0, this.top); }
|
|
}
|
|
|
|
public Offset topRight {
|
|
get { return new Offset(this.right, this.top); }
|
|
}
|
|
|
|
public Offset centerLeft {
|
|
get { return new Offset(this.left, this.top + this.height / 2.0); }
|
|
}
|
|
|
|
public Offset center {
|
|
get { return new Offset(this.left + this.width / 2.0, this.top + this.height / 2.0); }
|
|
}
|
|
|
|
public Offset centerRight {
|
|
get { return new Offset(this.right, this.bottom); }
|
|
}
|
|
|
|
public Offset bottomLeft {
|
|
get { return new Offset(this.left, this.bottom); }
|
|
}
|
|
|
|
public Offset bottomCenter {
|
|
get { return new Offset(this.left + this.width / 2.0, this.bottom); }
|
|
}
|
|
|
|
public Offset bottomRight {
|
|
get { return new Offset(this.right, this.bottom); }
|
|
}
|
|
|
|
public bool contains(Offset offset) {
|
|
return offset.dx >= this.left && offset.dx < this.right && offset.dy >= this.top && offset.dy < this.bottom;
|
|
}
|
|
|
|
public bool containsInclusive(Offset offset) {
|
|
return offset.dx >= this.left && offset.dx <= this.right && offset.dy >= this.top &&
|
|
offset.dy <= this.bottom;
|
|
}
|
|
|
|
public bool contains(Rect rect) {
|
|
return this.contains(rect.topLeft) && this.contains(rect.bottomRight);
|
|
}
|
|
|
|
public Rect round() {
|
|
return fromLTRB(
|
|
Math.Round(this.left), Math.Round(this.top),
|
|
Math.Round(this.right), Math.Round(this.bottom));
|
|
}
|
|
|
|
public Rect roundOut() {
|
|
return fromLTRB(
|
|
Math.Floor(this.left), Math.Floor(this.top),
|
|
Math.Ceiling(this.right), Math.Ceiling(this.bottom));
|
|
}
|
|
|
|
public Rect roundIn() {
|
|
return fromLTRB(
|
|
Math.Ceiling(this.left), Math.Ceiling(this.top),
|
|
Math.Floor(this.right), Math.Floor(this.bottom));
|
|
}
|
|
|
|
public static Rect lerp(Rect a, Rect b, double t) {
|
|
if (a == null && b == null) {
|
|
return null;
|
|
}
|
|
|
|
if (a == null) {
|
|
return fromLTRB(b.left * t, b.top * t, b.right * t, b.bottom * t);
|
|
}
|
|
|
|
if (b == null) {
|
|
double k = 1.0 - t;
|
|
return fromLTRB(a.left * k, a.top * k, a.right * k, a.bottom * k);
|
|
}
|
|
|
|
return fromLTRB(
|
|
MathUtils.lerpDouble(a.left, b.left, t),
|
|
MathUtils.lerpDouble(a.top, b.top, t),
|
|
MathUtils.lerpDouble(a.right, b.right, t),
|
|
MathUtils.lerpDouble(a.bottom, b.bottom, t)
|
|
);
|
|
}
|
|
|
|
public bool Equals(Rect other) {
|
|
if (ReferenceEquals(null, other)) {
|
|
return false;
|
|
}
|
|
|
|
if (ReferenceEquals(this, other)) {
|
|
return true;
|
|
}
|
|
|
|
return this.left.Equals(other.left) && this.top.Equals(other.top) && this.right.Equals(other.right) &&
|
|
this.bottom.Equals(other.bottom);
|
|
}
|
|
|
|
public override bool Equals(object obj) {
|
|
if (ReferenceEquals(null, obj)) {
|
|
return false;
|
|
}
|
|
|
|
if (ReferenceEquals(this, obj)) {
|
|
return true;
|
|
}
|
|
|
|
if (obj.GetType() != this.GetType()) {
|
|
return false;
|
|
}
|
|
|
|
return this.Equals((Rect) obj);
|
|
}
|
|
|
|
public override int GetHashCode() {
|
|
unchecked {
|
|
var hashCode = this.left.GetHashCode();
|
|
hashCode = (hashCode * 397) ^ this.top.GetHashCode();
|
|
hashCode = (hashCode * 397) ^ this.right.GetHashCode();
|
|
hashCode = (hashCode * 397) ^ this.bottom.GetHashCode();
|
|
return hashCode;
|
|
}
|
|
}
|
|
|
|
public static bool operator ==(Rect left, Rect right) {
|
|
return Equals(left, right);
|
|
}
|
|
|
|
public static bool operator !=(Rect left, Rect right) {
|
|
return !Equals(left, right);
|
|
}
|
|
|
|
public override string ToString() {
|
|
return "Rect.fromLTRB(" + this.left.ToString("0.0") + ", " + this.top.ToString("0.0") + ", " +
|
|
this.right.ToString("0.0") + ", " + this.bottom.ToString("0.0") + ")";
|
|
}
|
|
}
|
|
|
|
public class Radius : IEquatable<Radius> {
|
|
Radius(double x, double y) {
|
|
this.x = x;
|
|
this.y = y;
|
|
}
|
|
|
|
public static Radius circular(double radius) {
|
|
return elliptical(radius, radius);
|
|
}
|
|
|
|
public static Radius elliptical(double x, double y) {
|
|
return new Radius(x, y);
|
|
}
|
|
|
|
public readonly double x;
|
|
public readonly double y;
|
|
|
|
public static readonly Radius zero = circular(0.0);
|
|
|
|
public static Radius operator -(Radius a) {
|
|
return elliptical(-a.x, -a.y);
|
|
}
|
|
|
|
public static Radius operator -(Radius a, Radius b) {
|
|
return elliptical(a.x - b.x, a.y - b.y);
|
|
}
|
|
|
|
public static Radius operator -(Radius a, double b) {
|
|
return elliptical(a.x - b, a.y - b);
|
|
}
|
|
|
|
public static Radius operator +(Radius a, Radius b) {
|
|
return elliptical(a.x + b.x, a.y + b.y);
|
|
}
|
|
|
|
public static Radius operator +(Radius a, double b) {
|
|
return elliptical(a.x + b, a.y + b);
|
|
}
|
|
|
|
public static Radius operator *(Radius a, Radius b) {
|
|
return elliptical(a.x * b.x, a.y * b.y);
|
|
}
|
|
|
|
public static Radius operator *(Radius a, double b) {
|
|
return elliptical(a.x * b, a.y * b);
|
|
}
|
|
|
|
public static Radius operator /(Radius a, Radius b) {
|
|
return elliptical(a.x / b.x, a.y / b.y);
|
|
}
|
|
|
|
public static Radius operator /(Radius a, double b) {
|
|
return elliptical(a.x / b, a.y / b);
|
|
}
|
|
|
|
public static Radius operator %(Radius a, Radius b) {
|
|
return elliptical(a.x % b.x, a.y % b.y);
|
|
}
|
|
|
|
public static Radius operator %(Radius a, double b) {
|
|
return elliptical(a.x % b, a.y % b);
|
|
}
|
|
|
|
public static Radius lerp(Radius a, Radius b, double t) {
|
|
if (a == null && b == null) {
|
|
return null;
|
|
}
|
|
|
|
if (a == null) {
|
|
return elliptical(b.x * t, b.y * t);
|
|
}
|
|
|
|
if (b == null) {
|
|
double k = 1.0 - t;
|
|
return elliptical(a.x * k, a.y * k);
|
|
}
|
|
|
|
return elliptical(
|
|
MathUtils.lerpDouble(a.x, b.x, t),
|
|
MathUtils.lerpDouble(a.y, b.y, t)
|
|
);
|
|
}
|
|
|
|
public bool Equals(Radius other) {
|
|
if (ReferenceEquals(null, other)) {
|
|
return false;
|
|
}
|
|
|
|
if (ReferenceEquals(this, other)) {
|
|
return true;
|
|
}
|
|
|
|
return this.x.Equals(other.x) && this.y.Equals(other.y);
|
|
}
|
|
|
|
public override bool Equals(object obj) {
|
|
if (ReferenceEquals(null, obj)) {
|
|
return false;
|
|
}
|
|
|
|
if (ReferenceEquals(this, obj)) {
|
|
return true;
|
|
}
|
|
|
|
if (obj.GetType() != this.GetType()) {
|
|
return false;
|
|
}
|
|
|
|
return this.Equals((Radius) obj);
|
|
}
|
|
|
|
public override int GetHashCode() {
|
|
unchecked {
|
|
return (this.x.GetHashCode() * 397) ^ this.y.GetHashCode();
|
|
}
|
|
}
|
|
|
|
public static bool operator ==(Radius left, Radius right) {
|
|
return Equals(left, right);
|
|
}
|
|
|
|
public static bool operator !=(Radius left, Radius right) {
|
|
return !Equals(left, right);
|
|
}
|
|
|
|
public override string ToString() {
|
|
return this.x == this.y
|
|
? $"Radius.circular({this.x:F1})"
|
|
: $"Radius.elliptical({this.x:F1}, ${this.y:F1})";
|
|
}
|
|
}
|
|
|
|
public class RRect : IEquatable<RRect> {
|
|
RRect(double left, double top, double right, double bottom,
|
|
Radius tlRadius = null, Radius trRadius = null, Radius brRadius = null, Radius blRadius = null) {
|
|
this.left = left;
|
|
this.top = top;
|
|
this.right = right;
|
|
this.bottom = bottom;
|
|
this.tlRadius = tlRadius ?? Radius.zero;
|
|
this.trRadius = trRadius ?? Radius.zero;
|
|
this.brRadius = brRadius ?? Radius.zero;
|
|
this.blRadius = blRadius ?? Radius.zero;
|
|
}
|
|
|
|
RRect(double left, double top, double right, double bottom,
|
|
double? tlRadius = null, double? trRadius = null, double? brRadius = null, double? blRadius = null) {
|
|
this.left = left;
|
|
this.top = top;
|
|
this.right = right;
|
|
this.bottom = bottom;
|
|
this.tlRadius = tlRadius != null ? Radius.circular(tlRadius.Value) : Radius.zero;
|
|
this.trRadius = trRadius != null ? Radius.circular(trRadius.Value) : Radius.zero;
|
|
this.brRadius = brRadius != null ? Radius.circular(brRadius.Value) : Radius.zero;
|
|
this.blRadius = blRadius != null ? Radius.circular(blRadius.Value) : Radius.zero;
|
|
}
|
|
|
|
|
|
public static RRect fromLTRBXY(
|
|
double left, double top, double right, double bottom,
|
|
double radiusX, double radiusY) {
|
|
var radius = Radius.elliptical(radiusX, radiusY);
|
|
return new RRect(left, top, right, bottom,
|
|
radius, radius, radius, radius);
|
|
}
|
|
|
|
|
|
public static RRect fromLTRBR(
|
|
double left, double top, double right, double bottom, Radius radius) {
|
|
return new RRect(left, top, right, bottom,
|
|
radius, radius, radius, radius);
|
|
}
|
|
|
|
public static RRect fromLTRBR(
|
|
double left, double top, double right, double bottom, double radius) {
|
|
var r = Radius.circular(radius);
|
|
return new RRect(left, top, right, bottom,
|
|
r, r, r, r);
|
|
}
|
|
|
|
public static RRect fromRectXY(Rect rect, double radiusX, double radiusY) {
|
|
var radius = Radius.elliptical(radiusX, radiusY);
|
|
return new RRect(rect.left, rect.top, rect.right, rect.bottom,
|
|
radius, radius, radius, radius);
|
|
}
|
|
|
|
public static RRect fromRect(Rect rect) {
|
|
return new RRect(rect.left, rect.top, rect.right, rect.bottom, (Radius) null);
|
|
}
|
|
|
|
public static RRect fromRectAndRadius(Rect rect, Radius radius) {
|
|
return new RRect(rect.left, rect.top, rect.right, rect.bottom,
|
|
radius, radius, radius, radius);
|
|
}
|
|
|
|
public static RRect fromRectAndRadius(Rect rect, double radius) {
|
|
var r = Radius.circular(radius);
|
|
return new RRect(rect.left, rect.top, rect.right, rect.bottom,
|
|
r, r, r, r);
|
|
}
|
|
|
|
public static RRect fromLTRBAndCorners(
|
|
double left, double top, double right, double bottom,
|
|
Radius topLeft = null, Radius topRight = null, Radius bottomRight = null, Radius bottomLeft = null) {
|
|
return new RRect(left, top, right, bottom,
|
|
topLeft, topRight, bottomRight, bottomLeft);
|
|
}
|
|
|
|
public static RRect fromLTRBAndCorners(
|
|
double left, double top, double right, double bottom,
|
|
double? topLeft = null, double? topRight = null, double? bottomRight = null, double? bottomLeft = null) {
|
|
return new RRect(left, top, right, bottom,
|
|
topLeft, topRight, bottomRight, bottomLeft);
|
|
}
|
|
|
|
public static RRect fromRectAndCorners(
|
|
Rect rect,
|
|
Radius topLeft = null, Radius topRight = null, Radius bottomRight = null, Radius bottomLeft = null) {
|
|
return new RRect(rect.left, rect.top, rect.right, rect.bottom,
|
|
topLeft, topRight, bottomRight, bottomLeft);
|
|
}
|
|
|
|
public static RRect fromRectAndCorners(
|
|
Rect rect,
|
|
double? topLeft = null, double? topRight = null, double? bottomRight = null, double? bottomLeft = null) {
|
|
return new RRect(rect.left, rect.top, rect.right, rect.bottom,
|
|
topLeft, topRight, bottomRight, bottomLeft);
|
|
}
|
|
|
|
public readonly double left;
|
|
public readonly double top;
|
|
public readonly double right;
|
|
public readonly double bottom;
|
|
|
|
public readonly Radius tlRadius;
|
|
public readonly Radius trRadius;
|
|
public readonly Radius brRadius;
|
|
public readonly Radius blRadius;
|
|
|
|
public double tlRadiusX {
|
|
get { return this.tlRadius.x; }
|
|
}
|
|
|
|
public double tlRadiusY {
|
|
get { return this.tlRadius.y; }
|
|
}
|
|
|
|
public double trRadiusX {
|
|
get { return this.trRadius.x; }
|
|
}
|
|
|
|
public double trRadiusY {
|
|
get { return this.trRadius.y; }
|
|
}
|
|
|
|
public double blRadiusX {
|
|
get { return this.blRadius.x; }
|
|
}
|
|
|
|
public double blRadiusY {
|
|
get { return this.blRadius.y; }
|
|
}
|
|
|
|
public double brRadiusX {
|
|
get { return this.brRadius.x; }
|
|
}
|
|
|
|
public double brRadiusY {
|
|
get { return this.brRadius.y; }
|
|
}
|
|
|
|
public static readonly RRect zero = new RRect(0, 0, 0, 0, (Radius) null);
|
|
|
|
public RRect shift(Offset offset) {
|
|
return fromLTRBAndCorners(
|
|
this.left + offset.dx,
|
|
this.top + offset.dy,
|
|
this.right + offset.dx,
|
|
this.bottom + offset.dy,
|
|
this.tlRadius,
|
|
this.trRadius,
|
|
this.brRadius,
|
|
this.blRadius
|
|
);
|
|
}
|
|
|
|
public RRect inflate(double delta) {
|
|
return fromLTRBAndCorners(
|
|
this.left - delta,
|
|
this.top - delta,
|
|
this.right + delta,
|
|
this.bottom + delta,
|
|
this.tlRadius + delta,
|
|
this.trRadius + delta,
|
|
this.brRadius + delta,
|
|
this.blRadius + delta
|
|
);
|
|
}
|
|
|
|
public RRect deflate(double delta) {
|
|
return this.inflate(-delta);
|
|
}
|
|
|
|
public double width {
|
|
get { return this.right - this.left; }
|
|
}
|
|
|
|
public double height {
|
|
get { return this.bottom - this.top; }
|
|
}
|
|
|
|
public Rect outerRect {
|
|
get { return Rect.fromLTRB(this.left, this.top, this.right, this.bottom); }
|
|
}
|
|
|
|
public Rect safeInnerRect {
|
|
get {
|
|
const double kInsetFactor = 0.29289321881; // 1-cos(pi/4)
|
|
|
|
double leftRadius = Math.Max(this.blRadiusX, this.tlRadiusX);
|
|
double topRadius = Math.Max(this.tlRadiusY, this.trRadiusY);
|
|
double rightRadius = Math.Max(this.trRadiusX, this.brRadiusX);
|
|
double bottomRadius = Math.Max(this.brRadiusY, this.blRadiusY);
|
|
|
|
return Rect.fromLTRB(
|
|
this.left + leftRadius * kInsetFactor,
|
|
this.top + topRadius * kInsetFactor,
|
|
this.right - rightRadius * kInsetFactor,
|
|
this.bottom - bottomRadius * kInsetFactor
|
|
);
|
|
}
|
|
}
|
|
|
|
public Rect middleRect {
|
|
get {
|
|
double leftRadius = Math.Max(this.blRadiusX, this.tlRadiusX);
|
|
double topRadius = Math.Max(this.tlRadiusY, this.trRadiusY);
|
|
double rightRadius = Math.Max(this.trRadiusX, this.brRadiusX);
|
|
double bottomRadius = Math.Max(this.brRadiusY, this.blRadiusY);
|
|
|
|
return Rect.fromLTRB(
|
|
this.left + leftRadius,
|
|
this.top + topRadius,
|
|
this.right - rightRadius,
|
|
this.bottom - bottomRadius
|
|
);
|
|
}
|
|
}
|
|
|
|
public Rect wideMiddleRect {
|
|
get {
|
|
double topRadius = Math.Max(this.tlRadiusY, this.trRadiusY);
|
|
double bottomRadius = Math.Max(this.brRadiusY, this.blRadiusY);
|
|
|
|
return Rect.fromLTRB(
|
|
this.left,
|
|
this.top + topRadius,
|
|
this.right,
|
|
this.bottom - bottomRadius
|
|
);
|
|
}
|
|
}
|
|
|
|
public Rect tallMiddleRect {
|
|
get {
|
|
double leftRadius = Math.Max(this.blRadiusX, this.tlRadiusX);
|
|
double rightRadius = Math.Max(this.trRadiusX, this.brRadiusX);
|
|
|
|
return Rect.fromLTRB(
|
|
this.left + leftRadius,
|
|
this.top,
|
|
this.right - rightRadius,
|
|
this.bottom
|
|
);
|
|
}
|
|
}
|
|
|
|
public bool isEmpty {
|
|
get { return this.left >= this.right || this.top >= this.bottom; }
|
|
}
|
|
|
|
public bool isFinite {
|
|
get {
|
|
return this.left.isFinite()
|
|
&& this.top.isFinite()
|
|
&& this.right.isFinite()
|
|
&& this.bottom.isFinite();
|
|
}
|
|
}
|
|
|
|
public bool isInfinite {
|
|
get { return !this.isFinite; }
|
|
}
|
|
|
|
public bool isRect {
|
|
get {
|
|
return this.tlRadius == Radius.zero &&
|
|
this.trRadius == Radius.zero &&
|
|
this.blRadius == Radius.zero &&
|
|
this.brRadius == Radius.zero;
|
|
}
|
|
}
|
|
|
|
public bool isStadium {
|
|
get {
|
|
return this.tlRadius == this.trRadius
|
|
&& this.trRadius == this.brRadius
|
|
&& this.brRadius == this.blRadius
|
|
&& (this.width <= 2.0 * this.tlRadiusX || this.height <= 2.0 * this.tlRadiusY);
|
|
}
|
|
}
|
|
|
|
public bool isEllipse {
|
|
get {
|
|
return this.tlRadius == this.trRadius
|
|
&& this.trRadius == this.brRadius
|
|
&& this.brRadius == this.blRadius
|
|
&& (this.width <= 2.0 * this.tlRadiusX && this.height <= 2.0 * this.tlRadiusY);
|
|
}
|
|
}
|
|
|
|
public bool isCircle {
|
|
get { return this.width == this.height && this.isEllipse; }
|
|
}
|
|
|
|
public double shortestSide {
|
|
get { return Math.Min(this.width.abs(), this.height.abs()); }
|
|
}
|
|
|
|
public double longestSide {
|
|
get { return Math.Max(this.width.abs(), this.height.abs()); }
|
|
}
|
|
|
|
public Offset center {
|
|
get { return new Offset(this.left + this.width / 2.0, this.top + this.height / 2.0); }
|
|
}
|
|
|
|
double _getMin(double min, double radius1, double radius2, double limit) {
|
|
double sum = radius1 + radius2;
|
|
if (sum > limit && sum != 0.0) {
|
|
return Math.Min(min, limit / sum);
|
|
}
|
|
|
|
return min;
|
|
}
|
|
|
|
RRect _scaled;
|
|
|
|
void _scaleRadii() {
|
|
if (this._scaled == null) {
|
|
double scale = 1.0;
|
|
|
|
scale = this._getMin(scale, this.blRadiusY, this.tlRadiusY, this.height);
|
|
scale = this._getMin(scale, this.tlRadiusX, this.trRadiusX, this.width);
|
|
scale = this._getMin(scale, this.trRadiusY, this.brRadiusY, this.height);
|
|
scale = this._getMin(scale, this.brRadiusX, this.blRadiusX, this.width);
|
|
|
|
if (scale < 1.0) {
|
|
this._scaled = fromLTRBAndCorners(
|
|
left: this.left, top: this.top, right: this.right, bottom: this.bottom,
|
|
topLeft: this.tlRadius * scale, topRight: this.trRadius * scale,
|
|
bottomRight: this.brRadius * scale, bottomLeft: this.blRadius * scale);
|
|
}
|
|
else {
|
|
this._scaled = this;
|
|
}
|
|
}
|
|
}
|
|
|
|
public bool contains(Offset point) {
|
|
if (point.dx < this.left || point.dx >= this.right || point.dy < this.top || point.dy >= this.bottom) {
|
|
return false;
|
|
}
|
|
|
|
this._scaleRadii();
|
|
|
|
double x;
|
|
double y;
|
|
double radiusX;
|
|
double radiusY;
|
|
|
|
if (point.dx < this.left + this._scaled.tlRadiusX &&
|
|
point.dy < this.top + this._scaled.tlRadiusY) {
|
|
x = point.dx - this.left - this._scaled.tlRadiusX;
|
|
y = point.dy - this.top - this._scaled.tlRadiusY;
|
|
radiusX = this._scaled.tlRadiusX;
|
|
radiusY = this._scaled.tlRadiusY;
|
|
}
|
|
else if (point.dx > this.right - this._scaled.trRadiusX &&
|
|
point.dy < this.top + this._scaled.trRadiusY) {
|
|
x = point.dx - this.right + this._scaled.trRadiusX;
|
|
y = point.dy - this.top - this._scaled.trRadiusY;
|
|
radiusX = this._scaled.trRadiusX;
|
|
radiusY = this._scaled.trRadiusY;
|
|
}
|
|
else if (point.dx > this.right - this._scaled.brRadiusX &&
|
|
point.dy > this.bottom - this._scaled.brRadiusY) {
|
|
x = point.dx - this.right + this._scaled.brRadiusX;
|
|
y = point.dy - this.bottom + this._scaled.brRadiusY;
|
|
radiusX = this._scaled.brRadiusX;
|
|
radiusY = this._scaled.brRadiusY;
|
|
}
|
|
else if (point.dx < this.left + this._scaled.blRadiusX &&
|
|
point.dy > this.bottom - this._scaled.blRadiusY) {
|
|
x = point.dx - this.left - this._scaled.blRadiusX;
|
|
y = point.dy - this.bottom + this._scaled.blRadiusY;
|
|
radiusX = this._scaled.blRadiusX;
|
|
radiusY = this._scaled.blRadiusY;
|
|
}
|
|
else {
|
|
return true;
|
|
}
|
|
|
|
x = x / radiusX;
|
|
y = y / radiusY;
|
|
if (x * x + y * y > 1.0) {
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
public static RRect lerp(RRect a, RRect b, double t) {
|
|
if (a == null && b == null) {
|
|
return null;
|
|
}
|
|
|
|
if (a == null) {
|
|
return fromLTRBAndCorners(
|
|
b.left * t,
|
|
b.top * t,
|
|
b.right * t,
|
|
b.bottom * t,
|
|
b.tlRadius * t,
|
|
b.trRadius * t,
|
|
b.brRadius * t,
|
|
b.blRadius * t
|
|
);
|
|
}
|
|
|
|
if (b == null) {
|
|
double k = 1.0 - t;
|
|
return fromLTRBAndCorners(
|
|
a.left * k,
|
|
a.top * k,
|
|
a.right * k,
|
|
a.bottom * k,
|
|
a.tlRadius * k,
|
|
a.trRadius * k,
|
|
a.brRadius * k,
|
|
a.blRadius * k);
|
|
}
|
|
|
|
return fromLTRBAndCorners(
|
|
MathUtils.lerpDouble(a.left, b.left, t),
|
|
MathUtils.lerpDouble(a.top, b.top, t),
|
|
MathUtils.lerpDouble(a.right, b.right, t),
|
|
MathUtils.lerpDouble(a.bottom, b.bottom, t),
|
|
Radius.lerp(a.tlRadius, b.tlRadius, t),
|
|
Radius.lerp(a.trRadius, b.trRadius, t),
|
|
Radius.lerp(a.brRadius, b.brRadius, t),
|
|
Radius.lerp(a.blRadius, b.blRadius, t));
|
|
}
|
|
|
|
public bool contains(Rect rect) {
|
|
if (!this.outerRect.contains(rect)) {
|
|
return false;
|
|
}
|
|
|
|
if (this.isRect) {
|
|
return true;
|
|
}
|
|
|
|
return this.contains(rect.topLeft) &&
|
|
this.contains(rect.topRight) &&
|
|
this.contains(rect.bottomRight) &&
|
|
this.contains(rect.bottomLeft);
|
|
}
|
|
|
|
public bool Equals(RRect other) {
|
|
if (ReferenceEquals(null, other)) {
|
|
return false;
|
|
}
|
|
|
|
if (ReferenceEquals(this, other)) {
|
|
return true;
|
|
}
|
|
|
|
return this.left.Equals(other.left)
|
|
&& this.top.Equals(other.top)
|
|
&& this.right.Equals(other.right)
|
|
&& this.bottom.Equals(other.bottom)
|
|
&& this.tlRadius.Equals(other.tlRadius)
|
|
&& this.trRadius.Equals(other.trRadius)
|
|
&& this.brRadius.Equals(other.brRadius)
|
|
&& this.blRadius.Equals(other.blRadius);
|
|
}
|
|
|
|
public override bool Equals(object obj) {
|
|
if (ReferenceEquals(null, obj)) {
|
|
return false;
|
|
}
|
|
|
|
if (ReferenceEquals(this, obj)) {
|
|
return true;
|
|
}
|
|
|
|
if (obj.GetType() != this.GetType()) {
|
|
return false;
|
|
}
|
|
|
|
return this.Equals((RRect) obj);
|
|
}
|
|
|
|
public override int GetHashCode() {
|
|
unchecked {
|
|
var hashCode = this.left.GetHashCode();
|
|
hashCode = (hashCode * 397) ^ this.top.GetHashCode();
|
|
hashCode = (hashCode * 397) ^ this.right.GetHashCode();
|
|
hashCode = (hashCode * 397) ^ this.bottom.GetHashCode();
|
|
hashCode = (hashCode * 397) ^ this.tlRadius.GetHashCode();
|
|
hashCode = (hashCode * 397) ^ this.trRadius.GetHashCode();
|
|
hashCode = (hashCode * 397) ^ this.brRadius.GetHashCode();
|
|
hashCode = (hashCode * 397) ^ this.blRadius.GetHashCode();
|
|
return hashCode;
|
|
}
|
|
}
|
|
|
|
public static bool operator ==(RRect a, RRect b) {
|
|
return Equals(a, b);
|
|
}
|
|
|
|
public static bool operator !=(RRect a, RRect b) {
|
|
return !(a == b);
|
|
}
|
|
|
|
public override string ToString() {
|
|
string rect = $"{this.left:F1)}, " +
|
|
$"{this.top:F1}, " +
|
|
$"{this.right:F1}, " +
|
|
$"{this.bottom:F1}";
|
|
|
|
if (this.tlRadius == this.trRadius &&
|
|
this.trRadius == this.brRadius &&
|
|
this.brRadius == this.blRadius) {
|
|
if (this.tlRadius.x == this.tlRadius.y) {
|
|
return $"RRect.fromLTRBR({rect}, {this.tlRadius.x:F1})";
|
|
}
|
|
|
|
return $"RRect.fromLTRBXY($rect, {this.tlRadius.x:F1}, {this.tlRadius.y:F1})";
|
|
}
|
|
|
|
return "RRect.fromLTRBAndCorners(" +
|
|
$"{rect}, " +
|
|
$"topLeft: {this.tlRadius}, " +
|
|
$"topRight: {this.trRadius}, " +
|
|
$"bottomRight: {this.brRadius}, " +
|
|
$"bottomLeft: {this.blRadius}" +
|
|
")";
|
|
}
|
|
}
|
|
}
|