24 lines
942 B
TypeScript
24 lines
942 B
TypeScript
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class Sprite {
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public texture2D: egret.Texture;
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public readonly sourceRect: Rectangle;
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public readonly center: Vector2;
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public origin: Vector2;
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public readonly uvs: Rectangle = new Rectangle();
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constructor(texture: egret.Texture,
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sourceRect: Rectangle = new Rectangle(texture.textureWidth, texture.textureHeight),
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origin: Vector2 = sourceRect.getHalfSize()){
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this.texture2D = texture;
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this.sourceRect = sourceRect;
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this.center = new Vector2(sourceRect.width * 0.5, sourceRect.height * 0.5);
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this.origin = origin;
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let inverseTexW = 1 / texture.textureWidth;
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let inverseTexH = 1 / texture.textureHeight
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this.uvs.x = sourceRect.x * inverseTexW;
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this.uvs.y = sourceRect.y * inverseTexH;
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this.uvs.width = sourceRect.width * inverseTexW;
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this.uvs.height = sourceRect.height * inverseTexH;
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}
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}
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