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61 行
2.1 KiB

using System.Collections.Generic;
using Unity.UIWidgets.foundation;
using Unity.UIWidgets.ui;
using UnityEngine;
namespace Unity.UIWidgets.painting {
public static class MatrixUtils {
public static Offset getAsTranslation(this Matrix3 matrix3) {
return matrix3.isTranslate() ? new Offset(matrix3[Matrix3.kMTransX], matrix3[Matrix3.kMTransY]) : null;
}
public static List<string> debugDescribeTransform(Matrix3 transform) {
if (transform == null) {
return new List<string> {"null"};
}
List<string> result = new List<string>(3);
for (int i = 0; i < 3; i++) {
result.Add($"[{i}] {transform[i * 3]}, {transform[i * 3 + 1]}, {transform[i * 3 + 2]}");
}
return result;
}
public static Matrix4x4 toMatrix4x4(this Matrix3 matrix3) {
var matrix = Matrix4x4.identity;
matrix[0, 0] = matrix3[0]; // row 0
matrix[0, 1] = matrix3[1];
matrix[0, 3] = matrix3[2];
matrix[1, 0] = matrix3[3]; // row 1
matrix[1, 1] = matrix3[4];
matrix[1, 3] = matrix3[5];
matrix[3, 0] = matrix3[6]; // row 2
matrix[3, 1] = matrix3[7];
matrix[3, 3] = matrix3[8];
return matrix;
}
}
public class TransformProperty : DiagnosticsProperty<Matrix3> {
public TransformProperty(string name, Matrix3 value,
bool showName = true,
object defaultValue = null,
DiagnosticLevel level = DiagnosticLevel.info
) : base(name, value, showName: showName, defaultValue: defaultValue ?? Diagnostics.kNoDefaultValue,
level: level) {
}
protected override string valueToString(TextTreeConfiguration parentConfiguration = null) {
if (parentConfiguration != null && !parentConfiguration.lineBreakProperties) {
return this.value == null ? "null" : this.value.ToString();
}
return string.Join("\n", MatrixUtils.debugDescribeTransform(this.value));
}
}
}