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using UnityEngine;
namespace Coffee.UIEffects
{
/// <summary>
/// Matrix2x3.
/// </summary>
public struct Matrix2x3
{
public float m00, m01, m02, m10, m11, m12;
public Matrix2x3(Rect rect, float cos, float sin)
{
const float center = 0.5f;
float dx = -rect.xMin / rect.width - center;
float dy = -rect.yMin / rect.height - center;
m00 = cos / rect.width;
m01 = -sin / rect.height;
m02 = dx * cos - dy * sin + center;
m10 = sin / rect.width;
m11 = cos / rect.height;
m12 = dx * sin + dy * cos + center;
}
public static Vector2 operator *(Matrix2x3 m, Vector2 v)
{
return new Vector2(
(m.m00 * v.x) + (m.m01 * v.y) + m.m02,
(m.m10 * v.x) + (m.m11 * v.y) + m.m12
);
}
}
}
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