55 lines
1.8 KiB
JavaScript
55 lines
1.8 KiB
JavaScript
const renderEngine = cc.renderer.renderEngine;
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const renderer = renderEngine.renderer;
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let ShaderMaterial = require('ShaderMaterial');
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const shader = {
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name: 'uvanimation',
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params: [
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{ name: 'time', type: renderer.PARAM_FLOAT },
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// { name: 'dtime', type: renderer.PARAM_FLOAT },
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// { name: 'offset', type: renderer.PARAM_FLOAT },
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// { name: 'linewidth', type: renderer.PARAM_FLOAT },
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// { name: 'linecolor', type: renderer.PARAM_FLOAT3 },
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// { name: 'ymode', type: renderer.PARAM_INT },
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],
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start(material,params) {
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material.setParamValue('time', 0);
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// material.cusparmas = {}
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// material.cusparmas._start = 0;
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// material.setParamValue('offset', params.offset||0);//偏移值 (调整该值改变流光的倾斜程度)
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// material.setParamValue('linewidth', params.linewidth||0.2);//流光的宽度范围 (调整该值改变流光的宽度)
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// material.setParamValue('linecolor', cc.v3(params.linecolor.r,params.linecolor.g,params.linecolor.b));
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// material.setParamValue('dtime', params.dtime||1.414);
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// material.setParamValue('ymode', params.ymode||0);
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},
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defines:[],
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// vert: `
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// uniform mat4 viewProj;
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// attribute vec3 a_position;
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// attribute vec2 a_uv0;
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// varying vec2 uv0;
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// void main () {
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// vec4 pos = viewProj * vec4(a_position, 1);
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// gl_Position = pos;
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// uv0 = a_uv0;
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// }`,
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frag:
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`uniform sampler2D texture;
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uniform vec4 color;
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uniform float time;
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varying vec2 uv0;
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void main()
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{
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vec2 offset = vec2(0, time);
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gl_FragColor = texture2D(texture, uv0 + offset);
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}`,
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};
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ShaderMaterial.addShader(shader); |