Repo created

libs/shaders/GL/transit.vsh.glsl

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+layout (location = 0) in vec3 a_position;
+layout (location = 1) in vec4 a_normal;
+layout (location = 2) in vec4 a_color;
+
+layout (location = 0) out vec4 v_color;
+
+layout (binding = 0) uniform UBO
+{
+  mat4 u_modelView;
+  mat4 u_projection;
+  mat4 u_pivotTransform;
+  vec4 u_params;
+  float u_lineHalfWidth;
+  float u_maxRadius;
+};
+
+void main()
+{
+  vec2 normal = a_normal.xy;
+  vec2 transformedAxisPos = (vec4(a_position.xy, 0.0, 1.0) * u_modelView).xy;
+  if (dot(normal, normal) != 0.0)
+  {
+    vec2 norm = normal * u_lineHalfWidth;
+    transformedAxisPos = calcLineTransformedAxisPos(transformedAxisPos, a_position.xy + norm,
+                                                    u_modelView, length(norm));
+  }
+  v_color = a_color;
+  vec4 pos = vec4(transformedAxisPos, a_position.z, 1.0) * u_projection;
+  gl_Position = applyPivotTransform(pos, u_pivotTransform, 0.0);
+}