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Diffstat (limited to 'shader/tri.frag')
| -rw-r--r-- | shader/tri.frag | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/shader/tri.frag b/shader/tri.frag index 5599421..dea0868 100644 --- a/shader/tri.frag +++ b/shader/tri.frag @@ -1,8 +1,9 @@ #version 450 -layout(location = 0) in vec4 in_pos; +layout(location = 0) in vec2 uv; layout(location = 0) out vec4 out_color; void main(void) { - out_color = vec4(in_pos.xy + vec2(0.5,0.5), 0, 1.0); + float n = 2 * length(uv - 0.5); + out_color = vec4(vec3(uv, 1) * (1.75 - n), float(n<1)); } |