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-rw-r--r--gfx/gl/shaders/spotLight.vs3
1 files changed, 2 insertions, 1 deletions
diff --git a/gfx/gl/shaders/spotLight.vs b/gfx/gl/shaders/spotLight.vs
index dca0854..e61b641 100644
--- a/gfx/gl/shaders/spotLight.vs
+++ b/gfx/gl/shaders/spotLight.vs
@@ -6,6 +6,7 @@ uniform vec3 v_direction;
uniform vec3 colour;
uniform float kq;
uniform float arc;
+uniform vec3 viewPoint;
out vec3 position;
out vec3 direction;
@@ -19,5 +20,5 @@ main()
direction = normalize(v_direction);
size = (8 * sqrt(max(max(colour.r, colour.g), colour.b))) / sqrt(kq);
cosarc = cos(arc / 2);
- gl_Position = vec4(position, 0);
+ gl_Position = vec4(position - viewPoint, 0);
}