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experimental transparent stroke shadnig

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MrDiver 2023-09-15 00:34:31 +02:00
commit 7e97df490d
1 changed files with 5 additions and 2 deletions
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7
manim/renderer/shaders/quadratic_bezier_stroke/frag.glsl
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@ -17,10 +17,10 @@ in float bevel_start;
in float bevel_end;
in float angle_from_prev;
in float angle_to_next;
in float bezier_degree;
uniform sampler2D stencil_texture;
in float bezier_degree;
layout(location = 0) out vec4 frag_color;
layout(location = 1) out vec4 stencil_value;
@ -88,7 +88,7 @@ float modify_distance_for_endpoints(vec2 p, float dist, float t){
void main() {
// Use the default value as standard output
stencil_value.xyz = vec3(index);
stencil_value.rgb = vec3(index);
stencil_value.a = 1.0;
gl_FragDepth = gl_FragCoord.z;
// Get the previous index that was written to this fragment
@ -108,7 +108,10 @@ void main() {
// same plane so we discard the fragment
if (previous_index > index)
{
if (color.a == 1.0)
discard;
else
gl_FragDepth = gl_FragCoord.z - 3*index / 1000.0;
}
if (uv_stroke_width == 0)
discard;