111 lines
3.1 KiB
JavaScript
111 lines
3.1 KiB
JavaScript
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/**
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* @description 测试
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*/
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import MaterialProperty from "./MaterialProperty";
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class PolylineImageTrailMaterialProperty extends MaterialProperty {
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constructor(options = {}) {
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super(options);
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/**
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* 定义Cesium材质对象
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*/
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Cesium.Material.PolylineImageTrailType = "PolylineImageTrail";
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Cesium.Material._materialCache.addMaterial(
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Cesium.Material.PolylineImageTrailType,
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{
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fabric: {
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type: Cesium.Material.PolylineImageTrailType,
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uniforms: {
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color: new Cesium.Color(1.0, 0.0, 0.0, 0.1),
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image: Cesium.Material.DefaultImageId,
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speed: 1,
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repeat: new Cesium.Cartesian2(1, 1),
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rotate: 0
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},
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source: `uniform sampler2D image;
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uniform float speed;
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uniform vec4 color;
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uniform vec2 repeat;
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czm_material czm_getMaterial(czm_materialInput materialInput){
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czm_material material=czm_getDefaultMaterial(materialInput);
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mat2 rotationMatrix = mat2(cos(radians(-rotate)), sin(radians(-rotate)), -sin(radians(-rotate)), cos(radians(-rotate)));
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vec2 st=repeat*materialInput.st*rotationMatrix;
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float time=fract(czm_frameNumber);
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vec4 colorImage=texture2D(image,vec2(fract(st.s-time),st.t));
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material.alpha=colorImage.a;
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material.diffuse=colorImage.rgb;
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return material;
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}`,
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},
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isTranslucent: function () {
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return true;
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},
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}
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);
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// Object.defineProperties(PolylineImageTrailMaterialProperty.prototype, {
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// color: Cesium.createPropertyDescriptor("color"),
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// speed: Cesium.createPropertyDescriptor("speed"),
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// image: Cesium.createPropertyDescriptor("image"),
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// repeat: Cesium.createPropertyDescriptor("repeat"),
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// });
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this._image = undefined;
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this._imageSubscription = undefined;
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this._repeat = undefined;
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this._repeatSubscription = undefined;
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this.image = options.image;
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this.repeat = new Cesium.Cartesian2(
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options.repeat?.x || 1,
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options.repeat?.y || 1
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);
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this.rotate = options.rotate
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let i=1
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// setInterval(() => {
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// this.repeat = new Cesium.Cartesian2(
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// i++,
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// options.repeat?.y || 1
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// );
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// console.log(this.repeat)
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// }, 1000);
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// setInterval(() => {
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// this.rotate ++
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// }, 100);
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}
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getType() {
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return Cesium.Material.PolylineImageTrailType;
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}
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getValue(time, result) {
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if (!result) {
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result = {};
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}
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result.color = this.color;
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result.image = this.image;
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result.repeat = this.repeat;
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result.speed = this.speed;
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result.rotate = this.rotate
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// console.log(result.repeat)
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return result;
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}
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equals(other) {
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return (
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this === other ||
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(other instanceof PolylineImageTrailMaterialProperty &&
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Cesium.Property.equals(this.color, other._color) &&
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Cesium.Property.equals(this.image, other._image) &&
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Cesium.Property.equals(this.repeat, other._repeat) &&
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Cesium.Property.equals(this.speed, other._speed) &&
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Cesium.Property.equals(this.rotate, other._rotate))
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);
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}
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}
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export default PolylineImageTrailMaterialProperty;
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