81 lines
2.6 KiB
TypeScript
81 lines
2.6 KiB
TypeScript
const { ccclass, property } = cc._decorator;
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@ccclass
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export default class RoundCornerCropV2EffectScene extends cc.Component {
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private _radiuSlider: cc.Slider = null;
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private _radiuLabel: cc.Label = null;
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private _examplesParentNode: cc.Node = null;
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onLoad() {
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// 关闭动态合图
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cc.dynamicAtlasManager.enabled = false;
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this._radiuSlider = cc.find("Canvas/Content/Controller/RadiusSlider/Slider").getComponent(cc.Slider);
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this._radiuLabel = cc.find("Canvas/Content/Controller/RadiusSlider/ValueLabel").getComponent(cc.Label);
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this._examplesParentNode = cc.find("Canvas/Content/Examples");
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}
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onEnable() {
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this._radiuSlider.node.on("slide", this._onSliderChanged, this);
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}
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onDisable() {
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this._radiuSlider.node.off("slide", this._onSliderChanged, this);
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}
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start() {
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this._onSliderChanged();
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}
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private _onSliderChanged() {
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// 计算半径px
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let radiusInPx = Math.floor(100 * this._radiuSlider.progress);
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this._radiuLabel.string = radiusInPx + "";
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// 更新材质
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this._updateRenderComponentMaterial({
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radiusInPx: radiusInPx
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});
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}
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/**
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* 更新渲染组件的材质
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*
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* 1. 获取材质
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* 2. 给材质的 unitform 变量赋值
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* 3. 重新将材质赋值回去
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*/
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private _updateRenderComponentMaterial(param: {
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/**
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* 圆角半径px
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*/
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radiusInPx: number;
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}) {
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this._examplesParentNode.children.forEach(childNode => {
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childNode.getComponents(cc.RenderComponent).forEach(renderComponent => {
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// 计算半径px分别相对于纹理宽高的比例（也叫归一化）
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let xRadiux = param.radiusInPx / childNode.width;
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// 约束范围在区间 [0.0, 0.5]
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xRadiux = xRadiux >= 0.5 ? 0.5 : xRadiux;
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let yRadius = param.radiusInPx / childNode.height;
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yRadius = yRadius >= 0.5 ? 0.5 : yRadius;
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if (childNode.name === "Rectangle1") cc.log(`${childNode.name} : (${xRadiux}, ${yRadius})`);
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// 更新材质
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let material: cc.Material = renderComponent.getMaterial(0);
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// 圆角x轴半径长度（相对于纹理宽度）[0.0, 0.5]
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material.setProperty("xRadius", xRadiux);
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// 圆角y轴半径长度（相对于纹理高度）[0.0, 0.5]
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material.setProperty("yRadius", yRadius);
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renderComponent.setMaterial(0, material);
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});
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});
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}
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}
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