void Mouse( int button, int state, int x, int y )
{
x /= 10.0f;
y /= 10.0f;
if(state == GLUT_DOWN)
switch(button)
{
case GLUT_LEFT_BUTTON:
{
PolygonShape poly;
uint32 count = (uint32)Random( 3, MaxPolyVertexCount );
Vec2 *vertices = new Vec2[count];
real e = Random( 5, 10 );
for(uint32 i = 0; i < count; ++i)
vertices[i].Set( Random( -e, e ), Random( -e, e ) );
poly.Set( vertices, count );
Body *b = scene.Add( &poly, x, y );
b->SetOrient( Random( -PI, PI ) );
b->restitution = 0.2f;
b->dynamicFriction = 0.2f;
b->staticFriction = 0.4f;
delete [] vertices;
}
break;
case GLUT_RIGHT_BUTTON:
{
Circle c( Random( 1.0f, 3.0f ) );
Body *b = scene.Add( &c, x, y );
}
break;
}
}
TEST(Moveable, applyForce) {
Vector2d g = { 0.0, 0.0 };
Vector2d initV = { 1.0, 1.0 };
Vector2d initP = { 0.0, 0.0 };
Vector2d force = { 4.0, 0.0 };
World w(g);
PolygonShape p;
p.SetAsBox(2, 1);
Moveable m(initV, initP);
Entity e;
m.init(w, p, e);
auto actual = m.getVel();
EXPECT_EQ(actual, initV);
m.applyForce(force);
w.Step(0.8, 8, 2);
actual = m.getVel();
// Note: 1.4 value found through trial.
EXPECT_EQ(actual.x, 1.4f);
EXPECT_EQ(actual.y, 1);
}
int main( void )
{
glutInitDisplayMode( GLUT_RGBA | GLUT_DOUBLE );
glutInitWindowSize( 800, 600 );
glutCreateWindow( "PhyEngine" );
glutDisplayFunc( PhysicsLoop );
glutKeyboardFunc( Keyboard );
glutMouseFunc( Mouse );
glutIdleFunc( PhysicsLoop );
glMatrixMode( GL_PROJECTION );
glPushMatrix( );
glLoadIdentity( );
gluOrtho2D( 0, 80, 60, 0 );
glMatrixMode( GL_MODELVIEW );
glPushMatrix( );
glLoadIdentity( );
Circle c( 5.0f );
Body *b = scene.Add( &c, 40, 40 );
b->SetStatic( );
PolygonShape poly;
poly.SetBox( 30.0f, 1.0f );
b = scene.Add( &poly, 40, 55 );
b->SetStatic( );
b->SetOrient( 0 );
srand( 1 );
glutMainLoop( );
return 0;
}
TEST(Moveable, getsetMass) {
Moveable c;
float expectedMass = 4.5;
Vector2d expectedCenter = { 1, 1 };
c.setMass(expectedMass,
expectedCenter,
0);
auto actual = c.getMass();
EXPECT_EQ(actual, expectedMass);
Vector2d g = { 0.0, 0.0 };
World w(g);
PolygonShape p;
p.SetAsBox(2, 1);
Entity e;
c.init(w, p, e);
actual = c.getMass();
EXPECT_EQ(actual, expectedMass);
}
TEST(Thrust, onAddEntity) {
Vector2d g = { 0.0, 0.0 };
Vector2d initP = { 0, 0 };
Vector2d initV = { 0, 0 };
Vector2d direction = { 1, 1 };
float factor = 1000;
EvUserMovement ev(direction);
World w(g);
PolygonShape p;
p.SetAsBox(2, 1);
Moveable cm(initP, initV);
Thrustable ct(factor);
Entity* e = new Entity();
Thrust s;
cm.init(w, p, *e);
e->addComponent(&cm);
e->addComponent(&ct);
s.onAddEntity(*e);
e->emit(EV_USER_MOVEMENT, &ev);
w.Step(0.8, 8, 2);
auto actual = cm.getVel();
EXPECT_FLOAT_EQ(actual.x, 2.5);
EXPECT_FLOAT_EQ(actual.y, 0.0);
}
void le::Body::CreatePolygonShape( Vector2f SizeBody, Vector2f Center, float Angle )
{
if ( body != NULL )
{
PolygonShape* Shape = new PolygonShape( SizeBody, Center, Angle );
Shape->SetPropirtes( fDensity, fRestitution, fFriction );
Shape->SetFixture( body->CreateFixture( &Shape->GetFixtureDef() ) );
body->GetFixtureList()->SetFilterData( *Filter );
vShape.push_back( Shape );
}
}
TEST(Moveable, init) {
Vector2d g = { 0, 0 };
World w(g);
PolygonShape p;
p.SetAsBox(2, 1);
Moveable c;
Entity e;
c.init(w, p, e);
auto actual = c.getBody();
EXPECT_NE(actual, nullptr);
}
void le::Body::SetPropirtes( float Density, float Restitution, float Friction )
{
for ( int i = 0; i < vShape.size(); i++)
{
PolygonShape* Shape = vShape[ i ];
Shape->SetPropirtes( Density, Restitution, Friction );
}
for ( int i = 0; i < vCircle.size(); i++)
{
CircleShape* Circle = vCircle[ i ];
Circle->SetPropirtes( Density, Restitution, Friction );
}
fDensity = Density;
fRestitution = Restitution;
fFriction = Friction;
}
WSRockObject* WaterState::CreateRockObject(const Vector2f & pos)
{
WSRockObject* currentRock = new WSRockObject(m_world);
Sprite* currentSprite = new Sprite();
currentSprite->SetTexture(m_pRockTexture);
currentSprite->SetColor(Vector4f(1.f, 1.f, 1.f, 1.f));
currentSprite->SetLayer(0.f);
currentSprite->SetShading(SpriteVertex::ALPHA_BLEND);
currentSprite->m_position = pos;
currentRock->SetSprite(currentSprite);
PolygonShape* currentShape = new PolygonShape();
ifstream f("assets/Sprites/Water/rocktexturepoints.txt");
int count = 0;
f >> count;
Vector2f* vertices = new Vector2f[count];
Vector2f offset;
f >> offset.x >> offset.y;
offset = -offset;
for (int i = 0; i < count; ++ i)
{
Vector2f now;
f >> now.x >> now.y;
now += offset;
vertices[i] = now;
}
currentShape->Set(vertices, count);
currentRock->SetShape(currentShape, pos);
delete currentShape;
delete vertices;
m_rockObjects.push_back(currentRock);
return currentRock;
}
void le::Body::SetSize( Vector2f SizeBody )
{
for ( int i = 0; i < vShape.size(); i++ )
{
PolygonShape* Shape = vShape[ i ];
body->DestroyFixture( &Shape->GetFixture() );
Shape->SetSize( SizeBody );
Shape->SetFixture( body->CreateFixture( &Shape->GetFixtureDef() ) );
}
for ( int i = 0; i < vCircle.size(); i++ )
{
CircleShape* Circle = vCircle[ i ];
body->DestroyFixture( &Circle->GetFixture() );
Circle->SetRadius( SizeBody.x/2 );
Circle->SetFixture( body->CreateFixture( &Circle->GetFixtureDef() ) );
}
body->GetFixtureList()->SetFilterData( *Filter );
}
TEST(Moveable, getAngle) {
Vector2d g = { 0.0, 0.0 };
Vector2d vel = { 1, 1 };
Vector2d initPos = { 1, 1 };
float expectedAngle = 89.3;
World w(g);
PolygonShape p;
p.SetAsBox(2, 1);
Entity e;
Moveable c = Moveable(vel, initPos, expectedAngle);
auto actual = c.getAngle();
EXPECT_EQ(actual, expectedAngle);
c.init(w, p, e);
actual = c.getAngle();
EXPECT_EQ(actual, expectedAngle);
}
int w_PolygonShape_getPoints(lua_State *L)
{
PolygonShape *t = luax_checkpolygonshape(L, 1);
lua_remove(L, 1);
return t->getPoints(L);
}
int w_PolygonShape_validate(lua_State *L)
{
PolygonShape *t = luax_checkpolygonshape(L, 1);
luax_pushboolean(L, t->validate());
return 1;
}
