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fgdata/Shaders/contrail.frag
Vivian Meazza b4f226c092 Add persistent contrail Shaders/contrail.frag Shaders/contrail.vert
Signed-off-by: Vivian Meazza <vivian.meazza@lineone.net>
2010-08-01 22:54:35 +01:00

15 lines
367 B
GLSL

uniform sampler2D baseTexture;
varying float fogFactor;
varying float distanceFactor;
varying vec2 texCoord;
void main(void)
{
vec4 base = texture2D( baseTexture, gl_TexCoord[0].st);
vec4 finalColor = base * gl_Color;
gl_FragColor.rgb = mix(gl_Fog.color.rgb, finalColor.rgb, fogFactor);
gl_FragColor.a = mix(0.0, finalColor.a, distanceFactor);
}