148 lines
4.1 KiB
C
148 lines
4.1 KiB
C
#ifndef TWODPHYSICS_H
|
|
#define TWODPHYSICS_H
|
|
|
|
#include "script.h"
|
|
#include <chipmunk/chipmunk.h>
|
|
#include "render.h"
|
|
|
|
struct gameobject;
|
|
|
|
extern float phys2d_gravity;
|
|
extern int physOn;
|
|
extern cpSpace *space;
|
|
|
|
|
|
extern struct rgba color_white;
|
|
extern struct rgba color_black;
|
|
|
|
extern struct rgba disabled_color;
|
|
extern struct rgba dynamic_color;
|
|
extern struct rgba kinematic_color;
|
|
extern struct rgba static_color;
|
|
extern struct rgba sleep_color;
|
|
|
|
struct phys2d_shape {
|
|
cpShape *shape;
|
|
int go;
|
|
void *data; /* The specific subtype; phys2d_circle, etc */
|
|
void (*debugdraw)(void *data);
|
|
float (*moi)(void *data, float mass);
|
|
void (*apply)(void *data);
|
|
};
|
|
|
|
/* Circles are the fastest collier type */
|
|
struct phys2d_circle {
|
|
float radius;
|
|
HMM_Vec2 offset;
|
|
struct phys2d_shape shape;
|
|
};
|
|
|
|
/* A single segment */
|
|
struct phys2d_segment {
|
|
HMM_Vec2 a;
|
|
HMM_Vec2 b;
|
|
float thickness;
|
|
struct phys2d_shape shape;
|
|
};
|
|
|
|
/* A convex polygon; defined as the convex hull around the given set of points */
|
|
struct phys2d_poly {
|
|
HMM_Vec2 *points;
|
|
float radius;
|
|
struct phys2d_shape shape;
|
|
};
|
|
|
|
/* A box shape; a type of a polygon collider */
|
|
struct phys2d_box {
|
|
float w;
|
|
float h;
|
|
HMM_Vec2 offset;
|
|
float rotation;
|
|
float r; /* radius */
|
|
struct phys2d_shape shape;
|
|
};
|
|
|
|
/* An edge with no volume. Cannot collide with each other. Join to make levels. Static only. */
|
|
struct phys2d_edge {
|
|
HMM_Vec2 *points; /* Points defined relative to the gameobject */
|
|
float thickness;
|
|
cpShape **shapes;
|
|
int closed; /* True if the first and last points should be connected */
|
|
struct phys2d_shape shape;
|
|
int draws;
|
|
};
|
|
|
|
struct phys2d_circle *Make2DCircle(int go);
|
|
void phys2d_circledel(struct phys2d_circle *c);
|
|
void phys2d_applycircle(struct phys2d_circle *circle);
|
|
void phys2d_dbgdrawcircle(struct phys2d_circle *circle);
|
|
float phys2d_circle_moi(struct phys2d_circle *c, float m);
|
|
|
|
struct phys2d_box *Make2DBox(int go);
|
|
void phys2d_boxdel(struct phys2d_box *box);
|
|
void phys2d_applybox(struct phys2d_box *box);
|
|
void phys2d_dbgdrawbox(struct phys2d_box *box);
|
|
float phys2d_box_moi(struct phys2d_box *box, float m);
|
|
|
|
struct phys2d_poly *Make2DPoly(int go);
|
|
void phys2d_polydel(struct phys2d_poly *poly);
|
|
void phys2d_applypoly(struct phys2d_poly *poly);
|
|
void phys2d_dbgdrawpoly(struct phys2d_poly *poly);
|
|
void phys2d_polyaddvert(struct phys2d_poly *poly);
|
|
void phys2d_poly_setverts(struct phys2d_poly *poly, cpVect *verts);
|
|
float phys2d_poly_moi(struct phys2d_poly *poly, float m);
|
|
|
|
struct phys2d_edge *Make2DEdge(int go);
|
|
void phys2d_edgedel(struct phys2d_edge *edge);
|
|
void phys2d_applyedge(struct phys2d_edge *edge);
|
|
void phys2d_dbgdrawedge(struct phys2d_edge *edge);
|
|
void phys2d_edgeaddvert(struct phys2d_edge *edge);
|
|
void phys2d_edge_rmvert(struct phys2d_edge *edge, int index);
|
|
float phys2d_edge_moi(struct phys2d_edge *edge, float m);
|
|
|
|
void phys2d_edge_setvert(struct phys2d_edge *edge, int index, cpVect val);
|
|
void phys2d_edge_clearverts(struct phys2d_edge *edge);
|
|
void phys2d_edge_addverts(struct phys2d_edge *edge, cpVect *verts);
|
|
void phys2d_edge_set_sensor(struct phys2d_edge *edge, int sensor);
|
|
void phys2d_edge_set_enabled(struct phys2d_edge *edge, int enabled);
|
|
|
|
void phys2d_init();
|
|
void phys2d_update(float deltaT);
|
|
cpShape *phys2d_query_pos(cpVect pos);
|
|
int *phys2d_query_box(HMM_Vec2 pos, HMM_Vec2 wh);
|
|
|
|
struct phys_cbs {
|
|
struct callee begin;
|
|
struct callee separate;
|
|
};
|
|
|
|
struct shape_cb {
|
|
struct phys2d_shape *shape;
|
|
struct phys_cbs cbs;
|
|
};
|
|
|
|
void fire_hits();
|
|
|
|
void phys2d_rm_go_handlers(int go);
|
|
void phys2d_set_gravity(cpVect v);
|
|
|
|
void shape_enabled(struct phys2d_shape *shape, int enabled);
|
|
int shape_is_enabled(struct phys2d_shape *shape);
|
|
void shape_set_sensor(struct phys2d_shape *shape, int sensor);
|
|
int shape_get_sensor(struct phys2d_shape *shape);
|
|
|
|
struct rgba shape_color_s(cpShape *shape);
|
|
|
|
void shape_gui(struct phys2d_shape *shape);
|
|
void phys2d_setup_handlers(int go);
|
|
int *phys2d_query_shape(struct phys2d_shape *shape);
|
|
int *phys2d_query_box_points(HMM_Vec2 pos, HMM_Vec2 wh, HMM_Vec2 *points, int n);
|
|
|
|
void flush_collide_cbs();
|
|
|
|
void phys2d_reindex_body(cpBody *body);
|
|
extern unsigned int category_masks[32];
|
|
void set_cat_mask(int cat, unsigned int mask);
|
|
int phys2d_in_air(cpBody *body);
|
|
#endif
|