axmol/tests/cpp-tests/Resources/Sprite3DTest/fog.frag

14 lines
334 B
GLSL

#ifdef GL_ES
varying mediump vec2 v_texture_coord;
#else
varying vec2 v_texture_coord;
#endif
varying float fogFactor;
uniform vec4 fogColor;
void main (void)
{
vec4 finalColor = texture2D(CC_Texture0, v_texture_coord);
gl_FragColor = mix(fogColor, finalColor, fogFactor ); //根据雾的权重与finalColor 做混合操作
}