public-mirrors/3b1b-manim
1
0
Fork 0
mirror of https://github.com/3b1b/manim.git synced 2025-09-19 04:41:56 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Tweaks to quadratic_bezier_geometry_functions

Browse source
This commit is contained in:
Grant Sanderson 2022-12-28 11:16:53 -08:00
parent c8c96fe645
commit b96a65d576
1 changed files with 4 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
manimlib/shaders/inserts/quadratic_bezier_geometry_functions.glsl
View file

@ -18,7 +18,7 @@ mat3 get_xy_to_uv(vec2 b0, vec2 b1){
I.y, J.y, 0.0,
0.0, 0.0, 1.0
);
return (1 / sf) * rotate * shift;
return (1.0 / sf) * rotate * shift;
}
@ -44,7 +44,7 @@ mat4 get_xyz_to_uv(vec3 b0, vec3 b1, vec3 unit_normal){
I.z, J.z, K.z, 0.0,
0.0, 0.0, 0.0, 1.0
);
return (1 / scale_factor) * rotate * shift;
return (1.0 / scale_factor) * rotate * shift;
}
@ -55,7 +55,7 @@ mat4 get_xyz_to_uv(vec3 b0, vec3 b1, vec3 unit_normal){
// while also passing tangency information in the linear case.
// float get_reduced_control_points(vec3 b0, vec3 b1, vec3 b2, out vec3 new_points[3]){
float get_reduced_control_points(in vec3 points[3], out vec3 new_points[3]){
float length_threshold = 1e-6;
float length_threshold = 1e-8;
float angle_threshold = 1e-3;
vec3 p0 = points[0];
@ -80,7 +80,7 @@ float get_reduced_control_points(in vec3 points[3], out vec3 new_points[3]){
return 2.0;
}else if(linear){
new_points[0] = p0;
new_points[1] = (p0 + p2) / 2.0;
new_points[1] = 0.5 * (p0 + p2);
new_points[2] = p2;
return 1.0;
}else{