1 files changed, 17 insertions, 0 deletions

diff --git a/shaders/view_tangents.frag b/shaders/view_tangents.frag
new file mode 100644
index 0000000..11d1455
--- /dev/null
+++ b/shaders/view_tangents.frag
@@ -0,0 +1,17 @@
+precision highp float;
+
+in vec4 Tangent;
+
+out vec4 FragColour;
+
+void main() {
+  vec3 T = normalize(Tangent.xyz);
+  FragColour = vec4(pow(T, vec3(1.0 / 2.2)), 1.0);FragColour = vec4(pow(T, vec3(1.0 / 2.2)), 1.0);
+
+  // View sign.
+  // float sign = Tangent.w;
+  // float R = sign > 0.0 ? 1.0 : 0.0;
+  // float B = sign < 0.0 ? 1.0 : 0.0;
+  // vec3 signColour = vec3(R,0.0,B);
+  // FragColour = vec4(pow(signColour, vec3(1.0 / 2.2)), 1.0);
+}