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Use xyz-to-uv matrix for fill

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Grant Sanderson
2023-01-17 17:45:25 -08:00
parent 9ed8dd5439
commit 5e1a02d2ce
1 changed files with 3 additions and 3 deletions
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6
manimlib/shaders/quadratic_bezier_fill/geom.glsl
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@ -83,13 +83,13 @@ void emit_pentagon(
}
// Compute xy_to_uv matrix, and potentially re-evaluate bezier degree
mat3 xy_to_uv = get_xy_to_uv(p0.xy, p1.xy, p2.xy, is_linear, is_linear);
uv_anti_alias_width = aaw * length(xy_to_uv[0].xy);
mat4 xyz_to_uv = get_xyz_to_uv(p0, p1, p2, is_linear, is_linear);
uv_anti_alias_width = aaw * length(xyz_to_uv[0].xyz);
for(int i = 0; i < 5; i++){
int j = int(sign(i - 1) + 1); // Maps i = [0, 1, 2, 3, 4] onto j = [0, 0, 1, 2, 2]
vec3 corner = corners[i];
uv_coords = (xy_to_uv * vec3(corner.xy, 1.0)).xy;
uv_coords = (xyz_to_uv * vec4(corner, 1.0)).xy;
emit_vertex_wrapper(corner, j, unit_normal);
}
EndPrimitive();