wip

1 files changed, 22 insertions, 7 deletions

diff --git a/shaders/lightmap.vert b/shaders/lightmap.vert
index 21a4d7a9..479add5c 100644
--- a/shaders/lightmap.vert
+++ b/shaders/lightmap.vert
@@ -1,14 +1,29 @@
 precision mediump float;
 
-layout (location = 0) uniform vec4 color_intensity;
-layout (location = 1) uniform vec2 center;
-layout (location = 2) uniform uint falloff;
-layout (location = 3) uniform vec2 size;
-layout (location = 4) uniform uint mode;
-layout (location = 5) uniform sampler2D sampler;
+layout (location = 0) uniform sampler2D sampler;
+layout (location = 1) uniform vec3 light_color;
+layout (location = 2) uniform vec2 size;
+layout (location = 3) uniform vec2 center_fragcoord;
+layout (location = 4) uniform vec2 center_clip;
+layout (location = 5) uniform float intensity;
+layout (location = 6) uniform uint mode;
+layout (location = 7) uniform uint falloff;
+
+layout (location = 0) flat out vec3  frag_color;
+layout (location = 1) flat out float frag_intensity;
 
 layout (location = 0) in vec2 position;
 
 void main() {
-    gl_Position = vec4(position.x, position.y, 0, 1);
+    vec2 pos = position.xy;
+    vec2 dir = pos - center_clip;
+    float len = length(dir);
+    if (len > 1e-6)
+    {
+        vec2 dir_norm = dir * (1/len);
+        pos += dir_norm * position.z * 4;
+    }
+    gl_Position = vec4(pos, 0, 1);
+    frag_intensity = color_intensity.a;
+    frag_falloff = uint(position_falloff.w);
 }