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Incorporate frame_center in translation to gl_Position

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This commit is contained in:
Grant Sanderson 2020-02-11 19:49:54 -08:00
parent 052aa8afe2
commit 15e3178721
2 changed files with 4 additions and 0 deletions
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2
manimlib/shaders/quadratic_bezier_fill_geom.glsl
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@ -6,6 +6,7 @@ layout (triangle_strip, max_vertices = 5) out;
uniform float scale;
uniform float aspect_ratio;
uniform float anti_alias_width;
uniform vec3 frame_center;
in vec2 bp[3];
in vec4 v_color[3];
@ -62,6 +63,7 @@ mat3 get_xy_to_wz(vec2 b0, vec2 b1, vec2 b2){
void set_gl_Position(vec2 p){
vec2 result = p / scale;
result.x /= aspect_ratio;
result -= frame_center.xy;
gl_Position = vec4(result, 0.0, 1.0);
}

2
manimlib/shaders/quadratic_bezier_stroke_geom.glsl
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@ -6,6 +6,7 @@ layout (triangle_strip, max_vertices = 5) out;
uniform float scale;
uniform float aspect_ratio;
uniform float anti_alias_width;
uniform vec3 frame_center;
in vec2 bp[3];
in vec2 prev_bp[3];
@ -266,6 +267,7 @@ void set_previous_and_next(vec2 controls[3], int degree){
void set_gl_Position(vec2 p){
vec2 result = p / scale;
result.x /= aspect_ratio;
result -= frame_center.xy;
gl_Position = vec4(result, 0.0, 1.0);
}