void eol_level_clear_layer_space(eolLevelLayer *layer)
{
if (!layer)
{
return;
}
if (layer->space != NULL)
{
cpSpaceFree(layer->space);
}
layer->space = cpSpaceNew();
if (layer->space == NULL)
{
eol_logger_message(
EOL_LOG_ERROR,
"Unable to create a physics space for new layer!");
eol_level_delete_layer(layer);
return;
}
layer->space->iterations = _eol_level_clip_iterations;
layer->space->sleepTimeThreshold = 999999;
cpSpaceSetEnableContactGraph(layer->space,eolTrue);
cpSpaceSetCollisionSlop(layer->space, _eol_level_slop);
cpSpaceSetCollisionBias(layer->space, _eol_level_bias);
}
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;
}
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;
}
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)
{
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 cpSpace *
init(void)
{
cpSpace *space = cpSpaceNew();
cpSpaceSetIterations(space, 30);
cpSpaceSetGravity(space, cpv(0, -300));
cpSpaceSetSleepTimeThreshold(space, 0.5f);
cpSpaceSetCollisionSlop(space, 0.5f);
// Add a floor.
cpShape *shape = cpSpaceAddShape(space, cpSegmentShapeNew(cpSpaceGetStaticBody(space), cpv(-600,-240), cpv(600,-240), 0.0f));
cpShapeSetElasticity(shape, 1.0f);
cpShapeSetFriction(shape, 1.0f);
cpShapeSetLayers(shape, NOT_GRABABLE_MASK);
// Add the dominoes.
int n = 12;
for(int i=0; i<n; i++){
for(int j=0; j<(n - i); j++){
cpVect offset = cpv((j - (n - 1 - i)*0.5f)*1.5f*HEIGHT, (i + 0.5f)*(HEIGHT + 2*WIDTH) - WIDTH - 240);
add_domino(space, offset, cpFalse);
add_domino(space, cpvadd(offset, cpv(0, (HEIGHT + WIDTH)/2.0f)), cpTrue);
if(j == 0){
add_domino(space, cpvadd(offset, cpv(0.5f*(WIDTH - HEIGHT), HEIGHT + WIDTH)), cpFalse);
}
if(j != n - i - 1){
add_domino(space, cpvadd(offset, cpv(HEIGHT*0.75f, (HEIGHT + 3*WIDTH)/2.0f)), cpTrue);
} else {
add_domino(space, cpvadd(offset, cpv(0.5f*(HEIGHT - WIDTH), HEIGHT + WIDTH)), cpFalse);
}
}
}
return space;
}
void Space::setCollisionSlop(cpFloat value)
{
cpSpaceSetCollisionSlop(space,value);
}
cpSpace *Buoyancy::Init()
{
ChipmunkDemo::Init();
space = cpSpaceNew();
cpSpaceSetIterations(space, 30);
cpSpaceSetGravity(space, cpv(0, -500));
// cpSpaceSetDamping(space, 0.5);
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);
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 the edges of the bucket
cpBB bb = cpBBNew(-300, -200, 100, 0);
cpFloat radius = 5.0f;
shape = cpSpaceAddShape(space, cpSegmentShapeNew(staticBody, cpv(bb.l, bb.b), cpv(bb.l, bb.t), radius));
cpShapeSetElasticity(shape, 1.0f);
cpShapeSetFriction(shape, 1.0f);
cpShapeSetFilter(shape, NOT_GRABBABLE_FILTER);
shape = cpSpaceAddShape(space, cpSegmentShapeNew(staticBody, cpv(bb.r, bb.b), cpv(bb.r, bb.t), radius));
cpShapeSetElasticity(shape, 1.0f);
cpShapeSetFriction(shape, 1.0f);
cpShapeSetFilter(shape, NOT_GRABBABLE_FILTER);
shape = cpSpaceAddShape(space, cpSegmentShapeNew(staticBody, cpv(bb.l, bb.b), cpv(bb.r, bb.b), radius));
cpShapeSetElasticity(shape, 1.0f);
cpShapeSetFriction(shape, 1.0f);
cpShapeSetFilter(shape, NOT_GRABBABLE_FILTER);
// Add the sensor for the water.
shape = cpSpaceAddShape(space, cpBoxShapeNew2(staticBody, bb, 0.0));
cpShapeSetSensor(shape, cpTrue);
cpShapeSetCollisionType(shape, 1);
}
{
cpFloat width = 200.0f;
cpFloat height = 50.0f;
cpFloat mass = 0.3*FLUID_DENSITY*width*height;
cpFloat moment = cpMomentForBox(mass, width, height);
body = cpSpaceAddBody(space, cpBodyNew(mass, moment));
cpBodySetPosition(body, cpv(-50, -100));
cpBodySetVelocity(body, cpv(0, -100));
cpBodySetAngularVelocity(body, 1);
shape = cpSpaceAddShape(space, cpBoxShapeNew(body, width, height, 0.0));
cpShapeSetFriction(shape, 0.8f);
}
{
cpFloat width = 40.0f;
cpFloat height = width*2;
cpFloat mass = 0.3*FLUID_DENSITY*width*height;
cpFloat moment = cpMomentForBox(mass, width, height);
body = cpSpaceAddBody(space, cpBodyNew(mass, moment));
cpBodySetPosition(body, cpv(-200, -50));
cpBodySetVelocity(body, cpv(0, -100));
cpBodySetAngularVelocity(body, 1);
shape = cpSpaceAddShape(space, cpBoxShapeNew(body, width, height, 0.0));
cpShapeSetFriction(shape, 0.8f);
}
cpCollisionHandler *handler = cpSpaceAddCollisionHandler(space, 1, 0);
handler->preSolveFunc = (cpCollisionPreSolveFunc)WaterPreSolve;
handler->userData = this;
return space;
}
