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Fix basic wall normal shading

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justin
2023-03-18 14:51:45 +00:00
parent 6461535579
commit 49f96ab18e
1 changed files with 12 additions and 8 deletions
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shader/wall/texture.geom
+12 -8
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@@ -18,13 +18,17 @@ void main()
vec4 p4 = vec4 (p2.xy,100,1);
vec2 d = vec2(p1.xy - p2.xy);
vec4 norm = vec4( d.y, -d.x, 0, 0);
gNorm = p1 - norm;
gPos = p1; tPos = vec2 ( 1,-1) ; gl_Position = vec4(theMat * p1); EmitVertex();
gNorm = p1 - norm;
gPos = p3; tPos = vec2 ( 1, 1) ; gl_Position = vec4(theMat * p3); EmitVertex();
gNorm = p1 - norm;
gPos = p2; tPos = vec2 (-1,-1) ; gl_Position = vec4(theMat * p2); EmitVertex();
gNorm = p1 - norm;
gPos = p4; tPos = vec2 (-1, 1) ; gl_Position = vec4(theMat * p4); EmitVertex();
gPos = p1; tPos = vec2 ( 1,-1) ; gl_Position = vec4(theMat * p1);
gNorm = gPos - norm;
EmitVertex();
gPos = p3; tPos = vec2 ( 1, 1) ; gl_Position = vec4(theMat * p3);
gNorm = gPos - norm;
EmitVertex();
gPos = p2; tPos = vec2 (-1,-1) ; gl_Position = vec4(theMat * p2);
gNorm = gPos - norm;
EmitVertex();
gPos = p4; tPos = vec2 (-1, 1) ; gl_Position = vec4(theMat * p4);
gNorm = gPos - norm;
EmitVertex();
EndPrimitive();
}