diff options
Diffstat (limited to 'shaders/moon.fp')
| -rw-r--r-- | shaders/moon.fp | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/shaders/moon.fp b/shaders/moon.fp new file mode 100644 index 0000000..18242d2 --- /dev/null +++ b/shaders/moon.fp @@ -0,0 +1,13 @@ +uniform sampler2D tex; + +varying vec3 fragmentNormal ; +varying vec3 lightVector ; + +void main() { + float f = dot( normalize( fragmentNormal ), normalize( lightVector ) ); + vec4 color = texture2D( tex, gl_TexCoord[0].xy ); + + f = ( 1.0f / (1.0f + exp( -f * 150.0f ) ) ) ; + + gl_FragColor = f * color; +} |