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[hair]
/
hair.h
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#ifndef PARTICLES_H_
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#define PARTICLES_H_
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#include <gmath/gmath.h>
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#include "mesh.h"
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struct HairStrand {
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Vec3 pos;
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Vec3 velocity;
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/* directions relative to the spawn point */
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Vec3 anchor_dirs[3];
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Vec3 spawn_pt;
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Vec3 spawn_dir;
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};
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class Hair {
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private:
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float hair_length;
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std::vector<HairStrand> hair;
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Mat4 xform;
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public:
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Hair();
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~Hair();
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bool init(const Mesh *m, int num_spawns, float thresh = 0.4);
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void draw() const;
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void set_transform(Mat4 &xform);
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};
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#endif //PARTICLES_H_
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