hdrHEADmaster

1 files changed, 37 insertions, 0 deletions

diff --git a/advanced_lighting/5.parallax_mapping/shaders/parallax.vert b/advanced_lighting/5.parallax_mapping/shaders/parallax.vert
new file mode 100644
index 0000000..a3451c3
--- /dev/null
+++ b/advanced_lighting/5.parallax_mapping/shaders/parallax.vert
@@ -0,0 +1,37 @@
+#version 330 core
+layout(location = 0) in vec3 apos;
+layout(location = 1) in vec3 anormal;
+layout(location = 2) in vec2 atex_coords;
+layout(location = 3) in vec3 atangent;
+layout(location = 4) in vec3 abitangent;
+
+out VS_OUT {
+	vec3 frag_pos;
+	vec2 tex_coords;
+	vec3 tangent_light_pos;
+	vec3 tangent_view_pos;
+	vec3 tangent_frag_pos;
+} vs_out;
+
+uniform mat4 proj;
+uniform mat4 view;
+uniform mat4 model;
+
+uniform vec3 light_pos;
+uniform vec3 view_pos;
+
+void main(void)
+{
+	gl_Position = proj*view*model*vec4(apos, 1.0);
+	vs_out.frag_pos = vec3(model*vec4(apos, 1.0));
+	vs_out.tex_coords = atex_coords;
+
+	vec3 T = normalize(mat3(model)*atangent);
+	vec3 B = normalize(mat3(model)*abitangent);
+	vec3 N = normalize(mat3(model)*anormal);
+	mat3 TBN = transpose(mat3(T, B, N));
+
+	vs_out.tangent_light_pos = TBN*light_pos;
+	vs_out.tangent_view_pos = TBN*view_pos;
+	vs_out.tangent_frag_pos = TBN*vs_out.frag_pos;
+}