115 lines
1.9 KiB
Plaintext
115 lines
1.9 KiB
Plaintext
// 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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u_ratio: { value: 0.0 }
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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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#if USE_TINT
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in vec4 a_color0;
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#endif
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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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#if USE_TINT
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out vec4 v_dark;
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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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#if USE_TINT
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v_dark = a_color0;
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#endif
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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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in vec4 v_color;
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#if USE_TINT
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in vec4 v_dark;
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#endif
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uniform ARGS {
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float u_ratio;
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};
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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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vec4 o = vec4(1, 1, 1, 1);
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#if USE_TEXTURE
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CCTexture(texture, v_uv0, o);
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#endif
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float ratio = u_ratio + 1.0;
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float mid = 1.0 / ratio;
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if (o.r <= mid) {
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o.r = ratio * o.r * v_color.r;
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} else {
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o.r = 1.0 - ratio * (1.0 - o.r) * (1.0 - v_color.r);
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}
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if (o.g <= mid) {
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o.g = ratio * o.g * v_color.g;
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} else {
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o.g = 1.0 - ratio * (1.0 - o.g) * (1.0 - v_color.g);
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}
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if (o.b <= mid) {
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o.b = ratio * o.b * v_color.b;
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} else {
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o.b = 1.0 - ratio * (1.0 - o.b) * (1.0 - v_color.b);
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}
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o.a = o.a * v_color.a;
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ALPHA_TEST(o);
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gl_FragColor = o;
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}
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}%
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