static cpPolyShape *push_cpPolyShape (lua_State *L) {
cpPolyShape *ps = cpPolyShapeAlloc();
cpPolyShape **psp = (cpPolyShape **)lua_newuserdata(L, sizeof(cpPolyShape *));
*psp = ps;
luaL_getmetatable(L, "cpPolyShape");
lua_setmetatable(L, -2);
/* cpShape_ptrs.shape_pointer = shape_userdata */
lua_pushliteral(L, "cpShape_ptrs");
lua_rawget(L, LUA_REGISTRYINDEX);
lua_pushlightuserdata(L, ps);
/* duplicate userdata */
lua_pushvalue(L, -3);
lua_rawset(L, -3);
lua_pop(L, 1);
return ps;
}
DynamicObject::DynamicObject(float x, float y, float scale, float mass, float elast, float fric, int type, std::string gpuPath, std::string vPath, std::string fPath)
{
gpuDataList.push_back(gpuStore.add(gpuPath, 3.1415f));
shaderList.push_back(shaderStore.add(vPath, fPath));
transformOverrides = false;
height = scale;
modelScale = glm::vec3(scale);
width = height*gpuDataList[0]->whRatio;
/*** Set physics data ***/
body = cpBodyNew(mass, 0);
cpSpaceAddBody(space, body);
cpBodySetPosition(body, cpv(x, y));
ObjGPUData* gpuData = gpuDataList[0];
int vertCount = gpuData->vList.size();
cpVect vertices[vertCount];
glm::vec3 pos(x, y, 0);
for(int i = 0; i < vertCount; i++)
{
glm::vec4 currentVert = glm::translate(glm::mat4(1.0f), pos) * glm::scale(glm::mat4(1.0f), modelScale) * gpuData->rotation * gpuData->unitScale * glm::vec4(gpuData->vList[i],0);
vertices[i] = cpv(currentVert.x, currentVert.y);
}
shape = cpSpaceAddShape(space, (cpShape*) cpPolyShapeInitRaw(cpPolyShapeAlloc(), body, vertCount, vertices, 1.0f));
cpBodySetMoment(body, abs(cpMomentForPoly(mass, vertCount, vertices, cpvzero, 1.0f)));
cpShapeSetElasticity(shape, elast);
cpShapeSetFriction(shape, fric);
cpShapeSetUserData(shape, this);
cpShapeSetCollisionType(shape, type);
draw = true;
}
//cpPoly
static VALUE
rb_cpPolyAlloc(VALUE klass)
{
cpPolyShape *poly = cpPolyShapeAlloc();
return Data_Wrap_Struct(klass, NULL, cpShapeFree, poly);
}
cpShape *
cpPolyShapeNew(cpBody *body, int numVerts, cpVect *verts, cpVect offset)
{
return (cpShape *)cpPolyShapeInit(cpPolyShapeAlloc(), body, numVerts, verts, offset);
}
cpShape *
cpBoxShapeNew(cpBody *body, cpFloat width, cpFloat height)
{
return (cpShape *)cpBoxShapeInit(cpPolyShapeAlloc(), body, width, height);
}
cpShape *
cpBoxShapeNew2(cpBody *body, cpBB box, cpFloat radius)
{
return (cpShape *)cpBoxShapeInit2(cpPolyShapeAlloc(), body, box, radius);
}
cpShape *
cpPolyShapeNewRaw(cpBody *body, int count, const cpVect *verts, cpFloat radius)
{
return (cpShape *)cpPolyShapeInitRaw(cpPolyShapeAlloc(), body, count, verts, radius);
}
cpShape *
cpPolyShapeNew(cpBody *body, int count, const cpVect *verts, cpTransform transform, cpFloat radius)
{
return (cpShape *)cpPolyShapeInit(cpPolyShapeAlloc(), body, count, verts, transform, radius);
}
cpShape *
cpBoxShapeNew2(cpBody *body, cpBB box)
{
return (cpShape *)cpBoxShapeInit2(cpPolyShapeAlloc(), body, box);
}
cpShape *
cpPolyShapeNew2(cpBody *body, int numVerts, const cpVect *verts, cpVect offset, cpFloat radius)
{
return (cpShape *)cpPolyShapeInit2(cpPolyShapeAlloc(), body, numVerts, verts, offset, radius);
}
