axmol/tests/cpp-tests/Source/ChipmunkTestBed/demo/ChipmunkDemo.h

104 lines
3.6 KiB
C

/* Copyright (c) 2007 Scott Lembcke
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
typedef struct ChipmunkDemo ChipmunkDemo;
typedef cpSpace* (*ChipmunkDemoInitFunc)(void);
typedef void (*ChipmunkDemoUpdateFunc)(cpSpace* space, double dt);
typedef void (*ChipmunkDemoDrawFunc)(cpSpace* space);
typedef void (*ChipmunkDemoDestroyFunc)(cpSpace* space);
struct ChipmunkDemo
{
const char* name;
double timestep;
ChipmunkDemoInitFunc initFunc;
ChipmunkDemoUpdateFunc updateFunc;
ChipmunkDemoDrawFunc drawFunc;
ChipmunkDemoDestroyFunc destroyFunc;
};
static inline cpFloat frand(void)
{
return (cpFloat)rand() / (cpFloat)RAND_MAX;
}
static inline cpVect frand_unit_circle()
{
cpVect v = cpv(frand() * 2.0f - 1.0f, frand() * 2.0f - 1.0f);
return (cpvlengthsq(v) < 1.0f ? v : frand_unit_circle());
}
typedef struct
{
float x, y;
} float2;
typedef struct
{
uint8_t r, g, b, a;
} RGBA8;
typedef struct
{
float2 pos;
float2 uv;
float r;
RGBA8 fill, outline;
} Vertex;
typedef uint16_t Index;
extern int ChipmunkDemoTicks;
extern double ChipmunkDemoTime;
extern cpVect ChipmunkDemoKeyboard;
extern cpVect ChipmunkDemoMouse;
extern cpBool ChipmunkDemoRightClick;
extern cpBool ChipmunkDemoRightDown;
extern float ChipmunkDebugDrawPointLineScale;
extern char const* ChipmunkDemoMessageString;
extern void ChipmunkDemoPrintString(char const* fmt, ...);
extern cpShapeFilter GRAB_FILTER;
extern cpShapeFilter NOT_GRABBABLE_FILTER;
void ChipmunkDemoDefaultDrawImpl(cpSpace* space);
void ChipmunkDemoFreeSpaceChildren(cpSpace* space);
void ChipmunkDebugDrawCircle(cpVect pos,
cpFloat angle,
cpFloat radius,
cpSpaceDebugColor outlineColor,
cpSpaceDebugColor fillColor);
void ChipmunkDebugDrawSegment(cpVect a, cpVect b, cpSpaceDebugColor color);
void ChipmunkDebugDrawFatSegment(cpVect a,
cpVect b,
cpFloat radius,
cpSpaceDebugColor outlineColor,
cpSpaceDebugColor fillColor);
void ChipmunkDebugDrawPolygon(int count,
const cpVect* verts,
cpFloat radius,
cpSpaceDebugColor outlineColor,
cpSpaceDebugColor fillColor);
void ChipmunkDebugDrawDot(cpFloat size, cpVect pos, cpSpaceDebugColor fillColor);
void ChipmunkDebugDrawBB(cpBB bb, cpSpaceDebugColor outlineColor);
cpSpaceDebugColor LAColor(float l, float a);
cpSpaceDebugColor RGBAColor(float r, float g, float b, float a);