26 lines
746 B
GLSL
26 lines
746 B
GLSL
in vec4 a_color;
|
|
in vec2 a_texCoord;
|
|
in float a_distance;
|
|
in vec3 a_dir;
|
|
out vec4 f_color;
|
|
|
|
uniform sampler2D u_texture0;
|
|
uniform samplerCube u_cubemap;
|
|
uniform vec3 u_fogColor;
|
|
uniform float u_fogFactor;
|
|
uniform float u_fogCurve;
|
|
uniform bool u_alphaClip;
|
|
|
|
void main() {
|
|
vec3 fogColor = texture(u_cubemap, a_dir).rgb;
|
|
vec4 tex_color = texture(u_texture0, a_texCoord);
|
|
float depth = (a_distance/256.0);
|
|
float alpha = a_color.a * tex_color.a;
|
|
// anyway it's any alpha-test alternative required
|
|
if (alpha < (u_alphaClip ? 0.5f : 0.2f))
|
|
discard;
|
|
f_color = mix(a_color * tex_color, vec4(fogColor,1.0),
|
|
min(1.0, pow(depth*u_fogFactor, u_fogCurve)));
|
|
f_color.a = alpha;
|
|
}
|