Merge branch 'glmax'

1 files changed, 30 insertions, 0 deletions

diff --git a/gfx/gl/shaders/spotLight.vert b/gfx/gl/shaders/spotLight.vert
new file mode 100644
index 0000000..36d2ee5
--- /dev/null
+++ b/gfx/gl/shaders/spotLight.vert
@@ -0,0 +1,30 @@
+#version 460 core
+
+layout(location = 0) in vec3 v_position;
+layout(location = 1) in vec3 v_direction;
+layout(location = 2) in vec3 v_colour;
+layout(location = 3) in float v_kq;
+layout(location = 4) in float v_arc;
+layout(location = 5) in mat3 model;
+layout(location = 8) in ivec3 modelPos;
+
+uniform ivec3 viewPoint;
+
+flat out ivec3 position;
+flat out vec3 direction;
+flat out float size;
+flat out vec2 arc; // cos,tan (v_arc/2)
+flat out vec3 colour;
+flat out float kq;
+
+void
+main()
+{
+	position = modelPos + ivec3(mat3(model) * v_position);
+	direction = normalize(mat3(model) * v_direction);
+	colour = v_colour;
+	kq = v_kq;
+	size = (8000 * sqrt(max(max(colour.r, colour.g), colour.b))) / sqrt(kq);
+	arc = vec2(cos(v_arc / 2), tan(v_arc / 2));
+	gl_Position = vec4(position - viewPoint, 0);
+}