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Small tweaks

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This commit is contained in:
Grant Sanderson 2023-01-24 15:29:35 -08:00
parent b93e284695
commit 516fe9155e
1 changed files with 5 additions and 2 deletions
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7
manimlib/shaders/quadratic_bezier_fill/geom.glsl
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@ -41,18 +41,21 @@ void main(){
// the first anchor is set equal to that anchor // the first anchor is set equal to that anchor
if (verts[0] == verts[1]) return; if (verts[0] == verts[1]) return;
if (v_color[0].a == 0 && v_color[1].a == 0 && v_color[2].a == 0) return;
vec3 unit_normal = get_unit_normal(verts[0], verts[1], verts[2]); vec3 unit_normal = get_unit_normal(verts[0], verts[1], verts[2]);
if(int(v_inst_id[0]) % 2 == 0){ if(int(v_inst_id[0]) % 2 == 0){
// Emit main triangle // Emit main triangle
fill_all = float(true); fill_all = 1.0;
uv_coords = vec2(0.0); uv_coords = vec2(0.0);
emit_vertex_wrapper(v_base_point[0], v_color[0], unit_normal); emit_vertex_wrapper(v_base_point[0], v_color[0], unit_normal);
emit_vertex_wrapper(verts[0], v_color[0], unit_normal); emit_vertex_wrapper(verts[0], v_color[0], unit_normal);
emit_vertex_wrapper(verts[2], v_color[2], unit_normal); emit_vertex_wrapper(verts[2], v_color[2], unit_normal);
}else{ }else{
// Emit edge triangle // Emit edge triangle
fill_all = float(false); fill_all = 0.0;
// A quadratic bezier curve with these points coincides with y = x^2
vec2 uv_coords_arr[3] = vec2[3]( vec2 uv_coords_arr[3] = vec2[3](
vec2(0.0, 0.0), vec2(0.0, 0.0),
vec2(0.5, 0), vec2(0.5, 0),