refactor shader constants

shaders/dash_shader.frag

@@ -2,11 +2,11 @@
 flat in vec2 startPos;
 in vec2 vertPos;
 
-out vec4 fragColor;
+// out vec4 fragColor;
 
-uniform vec4 color;
-uniform float dashSize;
-uniform float gapSize;
+// uniform vec4 color;
+// uniform float dashSize;
+// uniform float gapSize;
 
 void main()
 {
@@ -16,4 +16,4 @@ void main()
     if (fract(dist / (dashSize + gapSize)) > dashSize/(dashSize + gapSize))
         discard; 
     fragColor = color;
-}
+}

shaders/dash_shader.vert

@@ -4,7 +4,7 @@
 flat out vec2 startPos;
 out vec2 vertPos;
 
-uniform mat4 viewMatrix;
+// uniform mat4 viewMatrix;
 
 void main()
 {