83 lines
1.4 KiB
Plaintext
83 lines
1.4 KiB
Plaintext
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// Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
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CCEffect %{
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techniques:
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- passes:
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- vert: vs
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frag: fs
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blendState:
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targets:
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- blend: true
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rasterizerState:
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cullMode: none
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properties:
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texture: { value: white }
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alphaThreshold: { value: 0.5 }
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}%
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CCProgram vs %{
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precision highp float;
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#include <cc-global>
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#include <cc-local>
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in vec3 a_position;
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in vec4 a_color;
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out vec4 v_color;
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#if USE_TEXTURE
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in vec2 a_uv0;
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out vec2 v_uv0;
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#endif
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void main () {
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vec4 pos = vec4(a_position, 1);
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#if CC_USE_MODEL
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pos = cc_matViewProj * cc_matWorld * pos;
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#else
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pos = cc_matViewProj * pos;
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#endif
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#if USE_TEXTURE
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v_uv0 = a_uv0;
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#endif
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v_color = a_color;
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gl_Position = pos;
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}
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}%
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CCProgram fs %{
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precision highp float;
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#include <alpha-test>
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#include <texture>
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#include <cc-global>
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in vec4 v_color;
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#if USE_TEXTURE
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in vec2 v_uv0;
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uniform sampler2D texture;
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#endif
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void main () {
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float time = mod( cc_time.x, 10.0 );
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float speed = 0.1;
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float offsetY = fract( time * speed );
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vec2 curUv = v_uv0 + vec2( 0.0, offsetY );
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vec2 othUv = v_uv0 + vec2( 0.0, offsetY - 1.0 );
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vec4 cur = texture2D( texture, curUv );
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vec4 oth = texture2D( texture, othUv );
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gl_FragColor = oth + cur;
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}
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}%
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