111 lines
1.9 KiB
Plaintext
111 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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alphaThreshold: { value: 0.5 }
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Time: { value: 0.0 }
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Angle: { value: 45.0 }
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Interval: { value: 2.0 }
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Speed: { value: 2.0 }
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Wight: { value: 0.2 }
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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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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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uniform anonymity {
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float Time;
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float Angle;
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float Interval;
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float Speed;
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float Wight;
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};
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#endif
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float flash(vec2 uv) {
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float radian = 0.0174444 * Angle;
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float x0 = fract(Time / Interval) * Interval * Speed;
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float projection_x = uv.y / tan(radian);
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float xn = x0 - projection_x;
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float mid_luminous = xn;
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float rate = 1.0 - abs(uv.x - mid_luminous) / Wight;
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float brightness = max(rate, 0.0);
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return brightness;
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}
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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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o *= v_color;
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if (o.a > 0.5) {
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float brightness = flash(v_uv0);
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o = o + vec4(1.0, 1.0, 1.0, 1.0) * brightness;
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} else {
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o = vec4(0.0);
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}
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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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