Make an isosceles triangle instead of right triangle

Author: mstallmo

.idea/workspace.xml

@@ -4,5 +4,5 @@ void main(void)
 {
   if (gl_VertexID == 0) gl_Position = vec4(0.25 + offset, -0.25, 0.0, 1.0);
   else if (gl_VertexID == 1) gl_Position = vec4(-0.25 + offset, -0.25, 0.0, 1.0);
-  else gl_Position = vec4(0.25 + offset, 0.25, 0.0, 1.0);
+  else gl_Position = vec4(0.0 + offset, 0.75, 0.0, 1.0);
 }