17 lines
No EOL
409 B
GLSL
17 lines
No EOL
409 B
GLSL
#include "../math/saturate.glsl"
|
|
/*
|
|
contributors: Inigo Quiles
|
|
description: generate a SDF of a capsule
|
|
use: <float> capusleSDF( in <vec3> pos, in <vec3> a, <vec3> b, <float> r )
|
|
*/
|
|
|
|
#ifndef FNC_CAPSULESDF
|
|
#define FNC_CAPSULESDF
|
|
|
|
float capsuleSDF( vec3 p, vec3 a, vec3 b, float r ) {
|
|
vec3 pa = p-a, ba = b-a;
|
|
float h = saturate( dot(pa,ba)/dot(ba,ba) );
|
|
return length( pa - ba*h ) - r;
|
|
}
|
|
|
|
#endif |