3b1b-manim/manimlib/shaders/quadratic_bezier_stroke/vert.glsl
2023-01-15 19:09:29 -08:00

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GLSL

#version 330
in vec3 point;
in vec4 stroke_rgba;
in float stroke_width;
in float joint_angle;
// Bezier control point
out vec3 verts;
out float v_joint_angle;
out float v_stroke_width;
out vec4 v_color;
out float v_vert_index;
const float STROKE_WIDTH_CONVERSION = 0.01;
#INSERT get_gl_Position.glsl
void main(){
verts = position_point_into_frame(point);
v_stroke_width = STROKE_WIDTH_CONVERSION * stroke_width * frame_shape[1] / 8.0;
v_joint_angle = joint_angle;
v_color = stroke_rgba;
v_vert_index = gl_VertexID;
}