62 lines
1.9 KiB
TypeScript
62 lines
1.9 KiB
TypeScript
const { ccclass, property } = cc._decorator;
|
||
|
||
@ccclass
|
||
export default class GaussianBlurEffectScene extends cc.Component {
|
||
private _grayLevelSlider: cc.Slider = null;
|
||
private _grayLevelSliderLabel: cc.Label = null;
|
||
|
||
private _examplesParentNode: cc.Node = null;
|
||
|
||
onLoad() {
|
||
cc.dynamicAtlasManager.enabled = false;
|
||
|
||
this._grayLevelSlider = cc.find("Canvas/Content/Controller/GrayLevelSlider/Slider").getComponent(cc.Slider);
|
||
this._grayLevelSliderLabel = cc.find("Canvas/Content/Controller/GrayLevelSlider/ValueLabel").getComponent(cc.Label);
|
||
|
||
this._examplesParentNode = cc.find("Canvas/Content/Examples");
|
||
}
|
||
|
||
onEnable() {
|
||
this._grayLevelSlider.node.on("slide", this._onSliderChanged, this);
|
||
}
|
||
|
||
onDisable() {
|
||
this._grayLevelSlider.node.off("slide", this._onSliderChanged, this);
|
||
}
|
||
|
||
start() {
|
||
this._onSliderChanged();
|
||
}
|
||
|
||
private _onSliderChanged() {
|
||
this._grayLevelSliderLabel.string = `${this._grayLevelSlider.progress.toFixed(2)}`;
|
||
|
||
// 更新材质
|
||
this._updateRenderComponentMaterial({
|
||
grayLevel: this._grayLevelSlider.progress
|
||
});
|
||
}
|
||
|
||
/**
|
||
* 更新渲染组件的材质
|
||
*
|
||
* 1. 获取材质
|
||
* 2. 给材质的 unitform 变量赋值
|
||
* 3. 重新将材质赋值回去
|
||
*/
|
||
private _updateRenderComponentMaterial(param: {
|
||
/**
|
||
* 灰化程度 [0.0, 1.0] ，1.0 表示完全灰化
|
||
*/
|
||
grayLevel: number;
|
||
}) {
|
||
this._examplesParentNode.children.forEach(childNode => {
|
||
childNode.getComponents(cc.RenderComponent).forEach(renderComponent => {
|
||
let material: cc.Material = renderComponent.getMaterial(0);
|
||
material.setProperty("grayLevel", param.grayLevel);
|
||
renderComponent.setMaterial(0, material);
|
||
});
|
||
});
|
||
}
|
||
}
|