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Diffstat (limited to 'src/shader/code/vertex.glsl')
-rw-r--r-- | src/shader/code/vertex.glsl | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/src/shader/code/vertex.glsl b/src/shader/code/vertex.glsl index e132e5f..1051d8f 100644 --- a/src/shader/code/vertex.glsl +++ b/src/shader/code/vertex.glsl @@ -10,12 +10,20 @@ out VS_OUT { uniform uint nX; uniform uint nY; -const float displayAmplifier = 10.0; +const float displayAmplifier = 5.0; float unit(float x) { return 1.0/(1.0+exp(-x)); } +float sq(float x) { + return x*x; +} + +float norm(vec2 v) { + return sqrt(sq(v.x)+sq(v.y)); +} + vec3 getColor(float x) { return x*vec3(1.0,0.0,0.0) + (1-x)*vec3(-0.5,0.0,1.0); } @@ -39,6 +47,6 @@ void main() { 1. ); - vs_out.color = getColor(unit(displayAmplifier * VertexPosition.z)); + vs_out.color = getColor(unit(displayAmplifier * VertexPosition.z * norm(VertexPosition.xy))); } )"; |