134 lines
4.4 KiB
TypeScript
134 lines
4.4 KiB
TypeScript
module es {
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import Bitmap = egret.Bitmap;
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export class SpriteRenderer extends RenderableComponent {
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constructor(sprite: Sprite | egret.Texture = null) {
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super();
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if (sprite instanceof Sprite)
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this.setSprite(sprite);
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else if (sprite instanceof egret.Texture)
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this.setSprite(new Sprite(sprite));
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}
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public get bounds() {
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if (this._areBoundsDirty) {
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if (this._sprite) {
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this._bounds.calculateBounds(this.entity.transform.position, this._localOffset, this._origin,
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this.entity.transform.scale, this.entity.transform.rotation, this._sprite.sourceRect.width,
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this._sprite.sourceRect.height);
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this._areBoundsDirty = false;
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}
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}
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return this._bounds;
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}
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/**
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* 用归一化方法设置原点
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* x/y 均为 0-1
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*/
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public get originNormalized(): Vector2 {
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return new Vector2(this._origin.x / this.width * this.entity.transform.scale.x,
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this._origin.y / this.height * this.entity.transform.scale.y);
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}
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/**
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* 用归一化方法设置原点
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* x/y 均为 0-1
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* @param value
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*/
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public set originNormalized(value: Vector2) {
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this.setOrigin(new Vector2(value.x * this.width / this.entity.transform.scale.x,
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value.y * this.height / this.entity.transform.scale.y));
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}
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protected _origin: Vector2;
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/**
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* 精灵的原点。这是在设置精灵时自动设置的
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*/
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public get origin(): Vector2 {
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return this._origin;
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}
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/**
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* 精灵的原点。这是在设置精灵时自动设置的
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* @param value
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*/
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public set origin(value: Vector2) {
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this.setOrigin(value);
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}
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protected _sprite: Sprite;
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/**
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* 应该由这个精灵显示的精灵
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* 当设置时，精灵的原点也被设置为精灵的origin
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*/
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public get sprite(): Sprite {
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return this._sprite;
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}
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/**
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* 应该由这个精灵显示的精灵
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* 当设置时，精灵的原点也被设置为精灵的origin
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* @param value
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*/
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public set sprite(value: Sprite) {
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this.setSprite(value);
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}
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/**
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* 设置精灵并更新精灵的原点以匹配sprite.origin
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* @param sprite
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*/
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public setSprite(sprite: Sprite): SpriteRenderer {
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this._sprite = sprite;
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if (this._sprite) {
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this._origin = this._sprite.origin;
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this.displayObject.anchorOffsetX = this._origin.x;
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this.displayObject.anchorOffsetY = this._origin.y;
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}
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this.displayObject = new Bitmap(sprite.texture2D);
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return this;
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}
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/**
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* 设置可渲染的原点
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* @param origin
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*/
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public setOrigin(origin: Vector2): SpriteRenderer {
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if (this._origin != origin) {
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this._origin = origin;
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this.displayObject.anchorOffsetX = this._origin.x;
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this.displayObject.anchorOffsetY = this._origin.y;
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this._areBoundsDirty = true;
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}
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return this;
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}
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/**
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* 用归一化方法设置原点
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* x/y 均为 0-1
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* @param value
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*/
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public setOriginNormalized(value: Vector2): SpriteRenderer {
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this.setOrigin(new Vector2(value.x * this.width / this.entity.transform.scale.x,
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value.y * this.height / this.entity.transform.scale.y));
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return this;
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}
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public render(camera: Camera) {
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this.sync(camera);
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let afterPos = new Vector2(this.entity.position.x + this.localOffset.x - camera.position.x + camera.origin.x,
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this.entity.position.y + this.localOffset.y - camera.position.y + camera.origin.y);
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if (this.displayObject.x != afterPos.x) this.displayObject.x = afterPos.x;
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if (this.displayObject.y != afterPos.y) this.displayObject.y = afterPos.y;
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}
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}
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}
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