cocos shader 之 马赛克滤镜

概述效果: VSH: #ifdef OPENGL_ESprecision mediump vec2;precision mediump float;#endif// Attributesattribute vec3 a_position;attribute vec2 a_texCoord;attribute vec4 a_color;// Varyings#ifdef GL_ES

效果:

VSH:

#ifdef OPENGL_ESprecision mediump vec2;precision mediump float;#endif// Attributesattribute vec3 a_position;attribute vec2 a_texCoord;attribute vec4 a_color;// varyings#ifdef GL_ESvarying vec2 v_texCoord;#elsevarying vec2 v_texCoord;#endifvarying vec4 v_fragmentcolor;voID main(){    gl_position = CC_PMatrix * vec4(a_position,1.0);    v_texCoord = a_texCoord;    v_fragmentcolor = a_color;}

FSH:

#ifdef GL_ESprecision mediump float;#endifuniform sampler2D u_texture;varying vec2 v_texCoord;varying vec4 v_fragmentcolor;const vec3 nlightPlus = vec3(0.1,0.1,0.1);uniform vec2 resolution;voID main() {    vec4 col = texture2D(CC_Texture0,v_texCoord );    float x = v_texCoord.x * resolution.x;    float y = v_texCoord.y * resolution.y;    float realX = floor(x/5.0 + 0.5) * 5.0;    float realY = floor(y/5.0 + 0.5) * 5.0;    gl_Fragcolor = texture2D(CC_Texture0,vec2(realX/resolution.x,realY/resolution.y) );}

总结

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