48 lines
996 B
C
48 lines
996 B
C
#ifndef WARP_H
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#define WARP_H
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#include "stdint.h"
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#include "transform.h"
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typedef uint32_t warpmask;
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#define gravmask 1U
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typedef struct {
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transform t;
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float strength;
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float decay;
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int spherical;
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HMM_Vec3 planar_force;
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warpmask mask;
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} warp_gravity;
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typedef struct {
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transform t;
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int unlimited_range;
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HMM_Vec3 range;
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HMM_Vec3 falloff;
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HMM_Vec3 damp;
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warpmask mask;
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} warp_damp;
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typedef struct {
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transform t;
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float strength;
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float decay;
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float pulse; /* strength of random variance in the wind effect */
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float frequency; /* when 0, pulse is smooth. Increase for very pulse over time */
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float turbulence; /* When 0, pulsing is smooth and regular. Increase for more chaos. */
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int spherical;
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} warp_wind;
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/* returns the total force for an object at pos */
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HMM_Vec3 warp_force(HMM_Vec3 pos, warpmask mask);
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warp_gravity *warp_gravity_make();
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warp_damp *warp_damp_make();
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void warp_gravity_free(warp_gravity *g);
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void warp_damp_free(warp_damp *d);
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#endif
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