static cpSpace *
init(void)
{
space = cpSpaceNew();
cpSpaceSetGravity(space, cpv(0, -600));
cpBody *body;
cpShape *shape;
// We create an infinite mass rogue body to attach the line segments too
// This way we can control the rotation however we want.
rogueBoxBody = cpBodyNew(INFINITY, INFINITY);
cpBodySetAngVel(rogueBoxBody, 0.4f);
// Set up the static box.
cpVect a = cpv(-200, -200);
cpVect b = cpv(-200, 200);
cpVect c = cpv( 200, 200);
cpVect d = cpv( 200, -200);
shape = cpSpaceAddShape(space, cpSegmentShapeNew(rogueBoxBody, a, b, 0.0f));
cpShapeSetElasticity(shape, 1.0f);
cpShapeSetFriction(shape, 1.0f);
cpShapeSetLayers(shape, NOT_GRABABLE_MASK);
shape = cpSpaceAddShape(space, cpSegmentShapeNew(rogueBoxBody, b, c, 0.0f));
cpShapeSetElasticity(shape, 1.0f);
cpShapeSetFriction(shape, 1.0f);
cpShapeSetLayers(shape, NOT_GRABABLE_MASK);
shape = cpSpaceAddShape(space, cpSegmentShapeNew(rogueBoxBody, c, d, 0.0f));
cpShapeSetElasticity(shape, 1.0f);
cpShapeSetFriction(shape, 1.0f);
cpShapeSetLayers(shape, NOT_GRABABLE_MASK);
shape = cpSpaceAddShape(space, cpSegmentShapeNew(rogueBoxBody, d, a, 0.0f));
cpShapeSetElasticity(shape, 1.0f);
cpShapeSetFriction(shape, 1.0f);
cpShapeSetLayers(shape, NOT_GRABABLE_MASK);
cpFloat mass = 1;
cpFloat width = 60;
cpFloat height = 30;
// Add the bricks.
for(int i=0; i<3; i++){
for(int j=0; j<7; j++){
body = cpSpaceAddBody(space, cpBodyNew(mass, cpMomentForBox(mass, width, height)));
cpBodySetPos(body, cpv(i*60 - 150, j*30 - 150));
shape = cpSpaceAddShape(space, cpBoxShapeNew(body, width, height));
cpShapeSetElasticity(shape, 0.0f);
cpShapeSetFriction(shape, 0.7f);
}
}
return space;
}
static cpSpace *
init(void)
{
ChipmunkDemoMessageString = "One way platforms are trivial in Chipmunk using a very simple collision callback.";
cpSpace *space = cpSpaceNew();
cpSpaceSetIterations(space, 10);
cpSpaceSetGravity(space, cpv(0, -100));
cpBody *body, *staticBody = cpSpaceGetStaticBody(space);
cpShape *shape;
// Create segments around the edge of the screen.
shape = cpSpaceAddShape(space, cpSegmentShapeNew(staticBody, cpv(-320,-240), cpv(-320,240), 0.0f));
cpShapeSetElasticity(shape, 1.0f);
cpShapeSetFriction(shape, 1.0f);
cpShapeSetFilter(shape, NOT_GRABBABLE_FILTER);
shape = cpSpaceAddShape(space, cpSegmentShapeNew(staticBody, cpv(320,-240), cpv(320,240), 0.0f));
cpShapeSetElasticity(shape, 1.0f);
cpShapeSetFriction(shape, 1.0f);
cpShapeSetFilter(shape, NOT_GRABBABLE_FILTER);
shape = cpSpaceAddShape(space, cpSegmentShapeNew(staticBody, cpv(-320,-240), cpv(320,-240), 0.0f));
cpShapeSetElasticity(shape, 1.0f);
cpShapeSetFriction(shape, 1.0f);
cpShapeSetFilter(shape, NOT_GRABBABLE_FILTER);
// Add our one way segment
shape = cpSpaceAddShape(space, cpSegmentShapeNew(staticBody, cpv(-160,-100), cpv(160,-100), 10.0f));
cpShapeSetElasticity(shape, 1.0f);
cpShapeSetFriction(shape, 1.0f);
cpShapeSetCollisionType(shape, COLLISION_TYPE_ONE_WAY);
cpShapeSetFilter(shape, NOT_GRABBABLE_FILTER);
// We'll use the data pointer for the OneWayPlatform struct
platformInstance.n = cpv(0, 1); // let objects pass upwards
cpShapeSetUserData(shape, &platformInstance);
// Add a ball to test it out
cpFloat radius = 15.0f;
body = cpSpaceAddBody(space, cpBodyNew(10.0f, cpMomentForCircle(10.0f, 0.0f, radius, cpvzero)));
cpBodySetPosition(body, cpv(0, -200));
cpBodySetVelocity(body, cpv(0, 170));
shape = cpSpaceAddShape(space, cpCircleShapeNew(body, radius, cpvzero));
cpShapeSetElasticity(shape, 0.0f);
cpShapeSetFriction(shape, 0.9f);
cpShapeSetCollisionType(shape, 2);
cpCollisionHandler *handler = cpSpaceAddWildcardHandler(space, COLLISION_TYPE_ONE_WAY);
handler->preSolveFunc = PreSolve;
return space;
}
static cpSpace *
init(void)
{
ChipmunkDemoMessageString = "Sticky collisions using the cpArbiter data pointer.";
cpSpace *space = cpSpaceNew();
cpSpaceSetIterations(space, 10);
cpSpaceSetGravity(space, cpv(0, -1000));
cpSpaceSetCollisionSlop(space, 2.0);
cpBody *staticBody = cpSpaceGetStaticBody(space);
cpShape *shape;
// Create segments around the edge of the screen.
shape = cpSpaceAddShape(space, cpSegmentShapeNew(staticBody, cpv(-340,-260), cpv(-340, 260), 20.0f));
cpShapeSetElasticity(shape, 1.0f);
cpShapeSetFriction(shape, 1.0f);
cpShapeSetCollisionType(shape, COLLIDE_STICK_SENSOR);
cpShapeSetLayers(shape, NOT_GRABABLE_MASK);
shape = cpSpaceAddShape(space, cpSegmentShapeNew(staticBody, cpv( 340,-260), cpv( 340, 260), 20.0f));
cpShapeSetElasticity(shape, 1.0f);
cpShapeSetFriction(shape, 1.0f);
cpShapeSetCollisionType(shape, COLLIDE_STICK_SENSOR);
cpShapeSetLayers(shape, NOT_GRABABLE_MASK);
shape = cpSpaceAddShape(space, cpSegmentShapeNew(staticBody, cpv(-340,-260), cpv( 340,-260), 20.0f));
cpShapeSetElasticity(shape, 1.0f);
cpShapeSetFriction(shape, 1.0f);
cpShapeSetCollisionType(shape, COLLIDE_STICK_SENSOR);
cpShapeSetLayers(shape, NOT_GRABABLE_MASK);
shape = cpSpaceAddShape(space, cpSegmentShapeNew(staticBody, cpv(-340, 260), cpv( 340, 260), 20.0f));
cpShapeSetElasticity(shape, 1.0f);
cpShapeSetFriction(shape, 1.0f);
cpShapeSetCollisionType(shape, COLLIDE_STICK_SENSOR);
cpShapeSetLayers(shape, NOT_GRABABLE_MASK);
for(int i=0; i<200; i++){
cpFloat mass = 0.15f;
cpFloat radius = 10.0f;
cpBody *body = cpSpaceAddBody(space, cpBodyNew(mass, cpMomentForCircle(mass, 0.0f, radius, cpvzero)));
cpBodySetPos(body, cpv(cpflerp(-150.0f, 150.0f, frand()), cpflerp(-150.0f, 150.0f, frand())));
cpShape *shape = cpSpaceAddShape(space, cpCircleShapeNew(body, radius + STICK_SENSOR_THICKNESS, cpvzero));
cpShapeSetFriction(shape, 0.9f);
cpShapeSetCollisionType(shape, COLLIDE_STICK_SENSOR);
}
cpSpaceAddCollisionHandler(space, COLLIDE_STICK_SENSOR, COLLIDE_STICK_SENSOR, NULL, StickyPreSolve, NULL, StickySeparate, NULL);
return space;
}
static cpSpace *
init(void)
{
ChipmunkDemoMessageString = "Right click to make pentagons static/dynamic.";
cpSpace *space = cpSpaceNew();
cpSpaceSetIterations(space, 5);
cpSpaceSetGravity(space, cpv(0, -100));
cpBody *body, *staticBody = cpSpaceGetStaticBody(space);
cpShape *shape;
// Vertexes for a triangle shape.
cpVect tris[] = {
cpv(-15,-15),
cpv( 0, 10),
cpv( 15,-15),
};
// Create the static triangles.
for(int i=0; i<9; i++){
for(int j=0; j<6; j++){
cpFloat stagger = (j%2)*40;
cpVect offset = cpv(i*80 - 320 + stagger, j*70 - 240);
shape = cpSpaceAddShape(space, cpPolyShapeNew(staticBody, 3, tris, offset));
cpShapeSetElasticity(shape, 1.0f);
cpShapeSetFriction(shape, 1.0f);
cpShapeSetLayers(shape, NOT_GRABABLE_MASK);
}
}
// Create vertexes for a pentagon shape.
cpVect verts[NUM_VERTS];
for(int i=0; i<NUM_VERTS; i++){
cpFloat angle = -2*M_PI*i/((cpFloat) NUM_VERTS);
verts[i] = cpv(10*cos(angle), 10*sin(angle));
}
pentagon_mass = 1.0;
pentagon_moment = cpMomentForPoly(1.0f, NUM_VERTS, verts, cpvzero);
// Add lots of pentagons.
for(int i=0; i<300; i++){
body = cpSpaceAddBody(space, cpBodyNew(pentagon_mass, pentagon_moment));
cpFloat x = rand()/(cpFloat)RAND_MAX*640 - 320;
cpBodySetPos(body, cpv(x, 350));
shape = cpSpaceAddShape(space, cpPolyShapeNew(body, NUM_VERTS, verts, cpvzero));
cpShapeSetElasticity(shape, 0.0f);
cpShapeSetFriction(shape, 0.4f);
}
return space;
}
static cpSpace *
init(void)
{
cpSpace *space = cpSpaceNew();
cpSpaceSetIterations(space, 30);
cpSpaceSetGravity(space, cpv(0, -100));
cpSpaceSetSleepTimeThreshold(space, 0.5f);
cpSpaceSetCollisionSlop(space, 0.5f);
cpBody *body, *staticBody = cpSpaceGetStaticBody(space);
cpShape *shape;
// Create segments around the edge of the screen.
shape = cpSpaceAddShape(space, cpSegmentShapeNew(staticBody, cpv(-320,-240), cpv(-320,240), 0.0f));
cpShapeSetElasticity(shape, 1.0f);
cpShapeSetFriction(shape, 1.0f);
cpShapeSetFilter(shape, NOT_GRABBABLE_FILTER);
shape = cpSpaceAddShape(space, cpSegmentShapeNew(staticBody, cpv(320,-240), cpv(320,240), 0.0f));
cpShapeSetElasticity(shape, 1.0f);
cpShapeSetFriction(shape, 1.0f);
cpShapeSetFilter(shape, NOT_GRABBABLE_FILTER);
shape = cpSpaceAddShape(space, cpSegmentShapeNew(staticBody, cpv(-320,-240), cpv(320,-240), 0.0f));
cpShapeSetElasticity(shape, 1.0f);
cpShapeSetFriction(shape, 1.0f);
cpShapeSetFilter(shape, NOT_GRABBABLE_FILTER);
// Add lots of boxes.
for(int i=0; i<14; i++){
for(int j=0; j<=i; j++){
body = cpSpaceAddBody(space, cpBodyNew(1.0f, cpMomentForBox(1.0f, 30.0f, 30.0f)));
cpBodySetPosition(body, cpv(j*32 - i*16, 300 - i*32));
shape = cpSpaceAddShape(space, cpBoxShapeNew(body, 30.0f, 30.0f, 0.5f));
cpShapeSetElasticity(shape, 0.0f);
cpShapeSetFriction(shape, 0.8f);
}
}
// Add a ball to make things more interesting
cpFloat radius = 15.0f;
body = cpSpaceAddBody(space, cpBodyNew(10.0f, cpMomentForCircle(10.0f, 0.0f, radius, cpvzero)));
cpBodySetPosition(body, cpv(0, -240 + radius+5));
shape = cpSpaceAddShape(space, cpCircleShapeNew(body, radius, cpvzero));
cpShapeSetElasticity(shape, 0.0f);
cpShapeSetFriction(shape, 0.9f);
return space;
}
static void
add_box(cpSpace *space)
{
const cpFloat size = 10.0f;
const cpFloat mass = 1.0f;
cpVect verts[] = {
cpv(-size,-size),
cpv(-size, size),
cpv( size, size),
cpv( size,-size),
};
cpFloat radius = cpvlength(cpv(size, size));
cpVect pos = rand_pos(radius);
cpBody *body = cpSpaceAddBody(space, cpBodyNew(mass, cpMomentForPoly(mass, 4, verts, cpvzero, 0.0f)));
body->velocity_func = planetGravityVelocityFunc;
cpBodySetPosition(body, pos);
// Set the box's velocity to put it into a circular orbit from its
// starting position.
cpFloat r = cpvlength(pos);
cpFloat v = cpfsqrt(gravityStrength / r) / r;
cpBodySetVelocity(body, cpvmult(cpvperp(pos), v));
// Set the box's angular velocity to match its orbital period and
// align its initial angle with its position.
cpBodySetAngularVelocity(body, v);
cpBodySetAngle(body, cpfatan2(pos.y, pos.x));
cpShape *shape = cpSpaceAddShape(space, cpPolyShapeNew(body, 4, verts, cpTransformIdentity, 0.0));
cpShapeSetElasticity(shape, 0.0f);
cpShapeSetFriction(shape, 0.7f);
}
__declspec( dllexport ) void push( const void * _in, int in_size, void * _out, int out_sz )
{
int index;
Variable *var;
cpBody *body;
cpShape *shape;
index = PEEKINT(INPUT_MEMBLOCK,0);
var = vhGetVariable(&mVariableHandler,index);
switch (var->mType)
{
case VarTypeBody:
body = (cpBody*)var->mPtr;
cpBodySetAngle(body,degToRad(PEEKFLOAT(INPUT_MEMBLOCK,4)));
cpBodySetPos(body,PEEKVECT(INPUT_MEMBLOCK,8));
cpBodySetAngVel(body,degToRad(PEEKFLOAT(INPUT_MEMBLOCK,16)));
cpBodySetVel(body,PEEKVECT(INPUT_MEMBLOCK,20));
break;
case VarTypeShape:
shape = (cpShape*)var->mPtr;
cpShapeSetFriction(shape,PEEKFLOAT(INPUT_MEMBLOCK,4));
cpShapeSetElasticity(shape,PEEKFLOAT(INPUT_MEMBLOCK,8));
cpShapeSetLayers(shape,PEEKUINT(INPUT_MEMBLOCK,12));
cpShapeSetGroup(shape,PEEKUINT(INPUT_MEMBLOCK,16));
break;
}
}
static cpSpace *
init(void)
{
ChipmunkDemoMessageString = "Right click and drag to change the blocks's shape.";
cpSpace *space = cpSpaceNew();
cpSpaceSetIterations(space, 30);
cpSpaceSetGravity(space, cpv(0, -500));
cpSpaceSetSleepTimeThreshold(space, 0.5f);
cpSpaceSetCollisionSlop(space, 0.5f);
cpBody *body, *staticBody = cpSpaceGetStaticBody(space);
// Create segments around the edge of the screen.
shape = cpSpaceAddShape(space, cpSegmentShapeNew(staticBody, cpv(-320,-240), cpv(320,-240), 0.0f));
cpShapeSetElasticity(shape, 1.0f);
cpShapeSetFriction(shape, 1.0f);
cpShapeSetLayers(shape, NOT_GRABABLE_MASK);
cpFloat width = 50.0f;
cpFloat height = 70.0f;
cpFloat mass = width*height*DENSITY;
cpFloat moment = cpMomentForBox(mass, width, height);
body = cpSpaceAddBody(space, cpBodyNew(mass, moment));
shape = cpSpaceAddShape(space, cpBoxShapeNew(body, width, height));
cpShapeSetFriction(shape, 0.6f);
return space;
}
cpSpace *Slice::Init()
{
ChipmunkDemo::Init();
message = "Hold right bottom corner and slice with touch.";
space = cpSpaceNew();
cpSpaceSetIterations(space, 30);
cpSpaceSetGravity(space, cpv(0, -500));
cpSpaceSetSleepTimeThreshold(space, 0.5f);
cpSpaceSetCollisionSlop(space, 0.5f);
cpBody *body, *staticBody = cpSpaceGetStaticBody(space);
cpShape *shape;
// Create segments around the edge of the screen.
shape = cpSpaceAddShape(space, cpSegmentShapeNew(staticBody, cpv(-1000,-240), cpv(1000,-240), 0.0f));
cpShapeSetElasticity(shape, 1.0f);
cpShapeSetFriction(shape, 1.0f);
cpShapeSetFilter(shape, NOT_GRABBABLE_FILTER);
cpFloat width = 200.0f;
cpFloat height = 300.0f;
cpFloat mass = width*height*DENSITY;
cpFloat moment = cpMomentForBox(mass, width, height);
body = cpSpaceAddBody(space, cpBodyNew(mass, moment));
shape = cpSpaceAddShape(space, cpBoxShapeNew(body, width, height, 0.0));
cpShapeSetFriction(shape, 0.6f);
return space;
}
bool PhysicsShapeEdgeChain::init(const Vec2* points, int count, const PhysicsMaterial& material/* = MaterialDefault*/, float border/* = 1*/)
{
cpVect* vec = nullptr;
do
{
_type = Type::EDGECHAIN;
vec = new (std::nothrow) cpVect[count];
PhysicsHelper::points2cpvs(points, vec, count);
int i = 0;
for (; i < count - 1; ++i)
{
auto shape = cpSegmentShapeNew(s_sharedBody, vec[i], vec[i + 1], border);
CC_BREAK_IF(shape == nullptr);
cpShapeSetUserData(shape, this);
cpShapeSetElasticity(shape, 1.0f);
cpShapeSetFriction(shape, 1.0f);
addShape(shape);
}
CC_SAFE_DELETE_ARRAY(vec);
CC_BREAK_IF(i < count - 1);
_mass = PHYSICS_INFINITY;
_moment = PHYSICS_INFINITY;
setMaterial(material);
return true;
} while (false);
CC_SAFE_DELETE_ARRAY(vec);
return false;
}
// adds static box shape to space
static void core_add_static_box_shape ( cpSpace * space, Box * box ) {
// add box collision shape to body
cpFloat hw = box->width / 2.0;
cpFloat hh = box->height / 2.0;
double x = box->x;
double y = box->y;
cpVect verts[] = {
cpv ( x - hw, y - hh ),
cpv ( x - hw, y + hh ),
cpv ( x + hw, y + hh ),
cpv ( x + hw, y - hh ),
};
cpShape * box_shape = cpPolyShapeNew ( space->staticBody, 4, verts, cpvzero );
cpShapeSetFriction ( (cpShape *) box_shape, box->friction );
cpShapeSetElasticity ( (cpShape *) box_shape, box->elasticity );
cpSpaceAddPostStepCallback ( space, (cpPostStepFunc) postStepAddShape, box_shape, NULL );
DrawShapeInfo *info = add_box_draw_shape_info ( box );
box_shape->data= ( cpDataPointer ) info;
}
void PhysicsShape::setElasticity(qreal v)
{
m_elasticity = v;
if(m_isPhysicsCreated) {
cpShapeSetElasticity(m_shape, m_elasticity);
}
}
static void
do_logic(game_state *state)
{
switch_state_data *data = state->data->switch_data;
if (data->mouse_down_last_step && state->game->mouse_down == false)
{
/* clicked and released; create a circle */
cpFloat radius = 15;
cpFloat mass = 10;
cpFloat moment = cpMomentForCircle(mass, 0, radius, cpvzero);
cpBody *ball = cpSpaceAddBody(data->space, cpBodyNew(mass, moment));
cpBodySetPos(ball, state->game->mouse_pos);
cpShape *ball_shape = cpSpaceAddShape(data->space,
cpCircleShapeNew(ball, radius, cpvzero));
cpShapeSetElasticity(ball_shape, 0.7);
cpShapeSetFriction(ball_shape, 0.7);
cpShapeSetLayers(ball_shape, L_PLAYER);
}
cpSpaceStep(data->space, TARGET_SEC_PER_FRAME);
data->mouse_down_last_step = state->game->mouse_down;
if (ent_switch_get_state(data->sw))
debug_puts("switch is on");
else
debug_puts("switch is off");
}
void Player::Initialize(void)
{
// Load the texture
if (!(this->m_Texture = this->m_Hge->Texture_Load("data/particles.png")))
{
MessageBox(NULL, "Can't load particles.png texture.", "Error", MB_OK | MB_ICONERROR | MB_APPLMODAL);
this->m_Engine->Shutdown();
return;
}
// Create the player sprite
this->m_Sprite = new hgeSprite(this->m_Texture, 60, 40, 20, 20);
this->m_Sprite->SetColor(this->m_Color);
this->m_Sprite->SetHotSpot(10, 10);
// Create the particle sprite
this->m_ParticleSprite = new hgeSprite(this->m_Texture, 20, 20, 20, 20);
this->m_ParticleSprite->SetBlendMode(BLEND_COLORMUL | BLEND_ALPHAADD | BLEND_NOZWRITE);
this->m_ParticleSprite->SetHotSpot(10, 10);
// Create the particle system
this->m_ParticleSystem = new hgeParticleSystem("data/trail.psi", this->m_ParticleSprite);
this->m_ParticleSystem->Fire();
// Initialize the weapon slots
this->m_Weaponslots = (Weapon**) malloc(sizeof(Weapon*) * NUM_WEAPON_SLOTS);
for (int i = 0 ; i < NUM_WEAPON_SLOTS ; ++i)
{
this->m_Weaponslots[i] = 0;
}
this->m_Weaponslots[0] = new Neoshooter(this, this->m_Engine->GetWorld());
// Initialize physics
{
// Define moment
cpFloat moment = cpMomentForCircle(1, 0, 10, cpvzero);
// Fetch the physics space
cpSpace *space = this->m_Engine->GetWorld()->GetSpace();
// Add the physics body
this->m_Body = cpSpaceAddBody(space, cpBodyNew(1, moment));
cpBodySetPos(this->m_Body, this->m_Position);
// Add the physics shape
this->m_Shape = cpSpaceAddShape(space, cpCircleShapeNew(this->m_Body, 10, cpvzero));
this->m_Shape->data = this;
this->m_Shape->collision_type = COLLISION_TYPE_GO;
cpShapeSetElasticity(this->m_Shape, 1.0f);
cpShapeSetFriction(this->m_Shape, 0.7);
// Define the collision handlers for various types of collisions
cpSpaceAddCollisionHandler(space, COLLISION_TYPE_GO, COLLISION_TYPE_ACTIVATOR, BeginCollisionD, NULL, NULL, SeparateCollisionD, this);
cpSpaceAddCollisionHandler(space, COLLISION_TYPE_GO, COLLISION_TYPE_BULLET, BeginCollisionD, NULL, NULL, NULL, this);
}
}
void PhysicsShape::setRestitution(float restitution)
{
_material.restitution = restitution;
for (cpShape* shape : _cpShapes)
{
cpShapeSetElasticity(shape, PhysicsHelper::float2cpfloat(restitution));
}
}
void PhysicsShape::setRestitution(float restitution)
{
_material.restitution = restitution;
for (cpShape* shape : _cpShapes)
{
cpShapeSetElasticity(shape, restitution);
}
}
static int l_physics_setShapeElasticity(lua_State* state)
{
l_physics_Shape* shape = (l_physics_Shape*)lua_touserdata(state, 1);
float value = l_tools_toNumberOrError(state, 2);
cpShapeSetElasticity(shape->shape, value);
return 0;
}
static cpBody *MakeBody(const float x, const float y, const float w)
{
cpBody *body = cpSpaceAddBody(space.Space, cpBodyNewStatic());
cpBodySetPosition(body, cpv(x + w / 2, y - GAP_HEIGHT / 2));
cpShape *shape = cpSpaceAddShape(
space.Space, cpBoxShapeNew(body, w, GAP_HEIGHT, 0.0));
cpShapeSetElasticity(shape, BLOCK_ELASTICITY);
cpShapeSetFriction(shape, 1.0f);
return body;
}
static cpBody *
add_ball(cpVect pos)
{
cpBody *body = cpSpaceAddBody(space, cpBodyNew(1.0f, cpMomentForCircle(1.0f, 30, 0, cpvzero)));
cpBodySetPos(body, pos);
cpShape *shape = cpSpaceAddShape(space, cpCircleShapeNew(body, 30, cpvzero));
cpShapeSetElasticity(shape, 0.0f);
cpShapeSetFriction(shape, 0.5f);
return body;
}
Player::Player(float x, float y, cpSpace* space) :
DynamicObject(x, y, 1, 1.5, 5, space)
{
//cpFloat moment = cpMomentForBox(m_mass, 1.5, 1.5);
cpFloat moment = INFINITY; // Infinite moment of inertia - don't let player rotate
m_pBody = cpSpaceAddBody(space, cpBodyNew(m_mass, moment));
m_pShape = cpSpaceAddShape(space, cpBoxShapeNew(m_pBody, 1, 1.5));
m_pShape->collision_type = PLAYER_TYPE;
setPosition(x, y);
cpShapeSetFriction(m_pShape, 0.9);
cpShapeSetElasticity(m_pShape, 0.0);
}
// adds static circle shape to space
static void core_add_static_circle_shape ( cpSpace * space, Circle * circ ) {
cpVect offset = cpv ( circ->x, circ->y );
// add circle collision shape to space
cpShape * circ_shape = cpCircleShapeNew ( space->staticBody, circ->radius, offset );
cpShapeSetFriction ( (cpShape *) circ_shape, circ->friction );
cpShapeSetElasticity ( (cpShape *) circ_shape, circ->elasticity );
cpSpaceAddPostStepCallback ( space, (cpPostStepFunc) postStepAddShape, circ_shape, NULL );
DrawShapeInfo *info = add_circle_draw_shape_info ( circ );
circ_shape->data= ( cpDataPointer ) info;
}
// adds nonstatic box shape to space
// currently does not roate box
static cpShape *core_add_box_shape ( cpSpace *space, Box *box, const int index ) {
// calculate mass and moment of a box
cpFloat mass = box->density * box->width * box->height;
cpFloat moment = cpMomentForBox ( mass, box->width, box->height );
// add body with mass and moment of a square to space
cpBody *body = cpBodyNew ( mass, moment );
cpSpaceAddPostStepCallback ( space, (cpPostStepFunc) postStepAddBody, body, NULL );
cpBodySetPos ( body, cpv ( box->x, box->y ) );
// set index of body
BodyInfo * bi = body_info_new(0);
bi->index = index;
bi->type = BOX_TYPE;
bi->p1x = box->x - (box->width) / 2.0;
bi->p1y = box->y + (box->height) / 2.0;
bi->p2x = box->x + (box->width) / 2.0;;
bi->p2y = box->y - (box->height) / 2.0;
bi->color->r = box->color->r;
bi->color->g = box->color->g;
bi->color->b = box->color->b;
bi->friction = box->friction;
bi->density = box->density;
bi->elasticity = box->elasticity;
body->data = bi;
double hw = ( box->width ) / 2.0;
double hh = ( box->height ) / 2.0;
cpVect cpv1 = cpv ( -hw,-hh );
cpVect cpv2 = cpv ( -hw, hh );
cpVect cpv3 = cpv ( hw, hh );
cpVect cpv4 = cpv ( hw, -hh );
cpVect verts [4]= { cpv1, cpv2, cpv3, cpv4 };
// add box collision shape to body
cpShape *boxShape = cpPolyShapeNew ( body, 4, verts, cpv ( 0, 0 ) );
cpSpaceAddPostStepCallback ( space, (cpPostStepFunc) postStepAddShape, boxShape, NULL );
cpShapeSetFriction ( boxShape, box->friction );
cpShapeSetElasticity ( boxShape, box->elasticity );
cpBodySetAngle ( body, box->angle);
DrawShapeInfo *info = add_box_draw_shape_info ( box );
boxShape->data= ( cpDataPointer ) info;
return boxShape;
}
static cpBody *
addBall(cpVect pos, cpVect boxOffset)
{
cpFloat radius = 15.0f;
cpFloat mass = 1.0f;
cpBody *body = cpSpaceAddBody(space, cpBodyNew(mass, cpMomentForCircle(mass, 0.0f, radius, cpvzero)));
cpBodySetPos(body, cpvadd(pos, boxOffset));
cpShape *shape = cpSpaceAddShape(space, cpCircleShapeNew(body, radius, cpvzero));
cpShapeSetElasticity(shape, 0.0f);
cpShapeSetFriction(shape, 0.7f);
return body;
}
static void
add_domino(cpSpace *space, cpVect pos, cpBool flipped)
{
cpFloat mass = 1.0f;
cpFloat moment = cpMomentForBox(mass, WIDTH, HEIGHT);
cpBody *body = cpSpaceAddBody(space, cpBodyNew(mass, moment));
cpBodySetPos(body, pos);
cpShape *shape = (flipped ? cpBoxShapeNew(body, HEIGHT, WIDTH) : cpBoxShapeNew(body, WIDTH, HEIGHT));
cpSpaceAddShape(space, shape);
cpShapeSetElasticity(shape, 0.0f);
cpShapeSetFriction(shape, 0.6f);
}
static cpBody *
addWheel(cpVect pos, cpVect boxOffset)
{
cpFloat radius = 15.0f;
cpFloat mass = 1.0f;
cpBody *body = cpSpaceAddBody(space, cpBodyNew(mass, cpMomentForCircle(mass, 0.0f, radius, cpvzero)));
cpBodySetPos(body, cpvadd(pos, boxOffset));
cpShape *shape = cpSpaceAddShape(space, cpCircleShapeNew(body, radius, cpvzero));
cpShapeSetElasticity(shape, 0.0f);
cpShapeSetFriction(shape, 0.7f);
cpShapeSetGroup(shape, 1); // use a group to keep the car parts from colliding
return body;
}
static cpBody *
addBar(cpVect pos, cpVect boxOffset)
{
cpFloat mass = 2.0f;
cpVect a = cpv(0, 30);
cpVect b = cpv(0, -30);
cpBody *body = cpSpaceAddBody(space, cpBodyNew(mass, cpMomentForSegment(mass, a, b)));
cpBodySetPos(body, cpvadd(pos, boxOffset));
cpShape *shape = cpSpaceAddShape(space, cpSegmentShapeNew(body, a, b, 5.0f));
cpShapeSetElasticity(shape, 0.0f);
cpShapeSetFriction(shape, 0.7f);
return body;
}
void weapon_init(Entity *ent) {
if (!weapon_sprite) {
ALLEGRO_PATH *path = game_asset_path("sword.png");
weapon_sprite = al_load_bitmap(al_path_cstr(path, ALLEGRO_NATIVE_PATH_SEP));
al_destroy_path(path);
}
cpBody *body = entity_body(ent);
cpShape *shape = cpBoxShapeNew(body, WEAPON_WIDTH, WEAPON_HEIGHT, 0);
cpSpaceAddShape(game.space, shape);
cpShapeSetFriction(shape, 1);
cpShapeSetElasticity(shape, 0);
cpBodySetMass(body, 1);
cpBodySetMoment(body, cpMomentForBox(1, WEAPON_WIDTH, WEAPON_HEIGHT));
}
static cpBody *
addChassis(cpVect pos, cpVect boxOffset)
{
cpFloat mass = 5.0f;
cpFloat width = 80;
cpFloat height = 30;
cpBody *body = cpSpaceAddBody(space, cpBodyNew(mass, cpMomentForBox(mass, width, height)));
cpBodySetPos(body, cpvadd(pos, boxOffset));
cpShape *shape = cpSpaceAddShape(space, cpBoxShapeNew(body, width, height));
cpShapeSetElasticity(shape, 0.0f);
cpShapeSetFriction(shape, 0.7f);
cpShapeSetGroup(shape, 1); // use a group to keep the car parts from colliding
return body;
}
Boundary::Boundary(float x1, float x2, float y, BSurface surfaceType) : Surface(cpv(x1, y - 50.0f), cpv(x2, y), false)
{
cpShapeSetElasticity(shape, 0.5f);
cpShapeSetFriction(shape, 1.0f);
modelScale = glm::vec3(width, 0.98*height, 10000.0f);
cpShapeSetCollisionType(shape, OBJ_SURFACE);
if(surfaceType == BS_SAND)
{
gpuDataList.push_back(gpuStore.add("./data/obj/boundary_sand", 0, false));
shaderList.push_back(shaderStore.add("./data/shader/vBoundaryXZ.glsl", "./data/shader/fBoundary.glsl"));
}
}
void PhysicsShape::componentComplete()
{
if(m_shapeType == PhysicsTypes::Box) {
cpVect niz[] = {
cpv(-(this->width()/2.0f), -(this->height()/2.0f)),
cpv(-(this->width()/2.0f), (this->height()/2.0f)),
cpv( (this->width()/2.0f), (this->height()/2.0f)),
cpv( (this->width()/2.0f), -(this->height()/2.0f))
};
m_shape = cpPolyShapeNew(NULL, 4, niz, cpv(m_offsetX, -m_offsetY));
}
else if(m_shapeType == PhysicsTypes::Circle) {
m_shape = cpCircleShapeNew(NULL, m_diameter/2, cpvzero);
}
else {
//TODO error
qDebug() << "Error circle";
}
m_shape->data = this;
cpShapeSetFriction(m_shape, m_friction);
cpShapeSetElasticity(m_shape, m_elasticity);
if(m_sensor) { cpShapeSetSensor(m_shape, true); }
cpShapeSetLayers(m_shape, m_layer);
m_isPhysicsCreated = true;
m_world->addPhysicsInterface(this);
if(m_debugDraw) {
this->setFlag(QQuickItem::ItemHasContents, true);
}
if(m_debugPrint) {
qDebug() << "PhysicsShape - componentComplete()";
qDebug() << " Is sensor:" << m_sensor;
qDebug() << " Shape type:" << m_shapeType;
qDebug() << " Name:" << m_name;
qDebug() << " Width:" << this->width();
qDebug() << " Height:" << this->height();
qDebug() << " QQuickitem pos:" << this->x() << this->y();
qDebug() << " Offset pos:" << this->m_offsetX << this->m_offsetY;
}
QQuickItem::componentComplete();
}