C++ (Cpp) rPoint Examples

Example #1

File: Ship.cpp Project: Brejlounek/pgr

void Ship::init(OglRenderer* renderer_)
{
	fromFile("meshes/ship_.3ds", renderer_, 0);
	pos = firstPos;
	scale.x = scale.y = scale.z = 0.1;

	uint seed = chrono::high_resolution_clock::now( ).time_since_epoch( ).count( );
	default_random_engine gen( seed );
	uniform_real_distribution<double> dist( 0.0, 1.0 );

	rot.x = 0; rot.y = 0; rot.z = 0;
	shRot.x = 0; shRot.y = 0; shRot.z = 0;
	roll = 0;
	speed = shipSpeed;
	sens = 200;
	vSpeed = 0;
	P = 0;
	autodrive = false;
	for ( uint i = 0; i < points; i++ )
	{
		glm::vec3 rPoint(dist(gen)*rWi - rWi*0.5f, autodriveHeight*dist(gen), dist(gen)*rWi - rWi*0.5f);
		point.push_back(rPoint);
	}

	rotationMat = glm::mat4( 1 );
	upV = glm::vec4( 0, 1, 0, 0 );
	rightV = glm::vec4( 1, 0, 0, 0 );
	vDir = glm::vec3( 0, 0, 0 );
}

Example #2

File: MapBlock.cpp Project: DragoonX6/R3E

float MapBlock::GetHeight(float x, float y) const {
	Vector3 mpos = mTransform.GetTranslate();
	if(x < mpos.x) return 0.0f;
	if(y > mpos.y) return 0.0f;
	if(x > mpos.x + 160.0f) return 0.0f;
	if(y < mpos.y - 160.0f) return 0.0f;

	mpos.x = x - mpos.x;
	mpos.y = mpos.y - y;

	int ix = int(mpos.x / 2.5f) % 64;
	int iy = int(mpos.y / 2.5f) % 64;

	float tX = mpos.x - float(ix)*2.5f;
	float tY = mpos.y - float(iy)*2.5f;

	Vector3 rPoint(tX, tY, 100.0f);
	Vector3 v1(0.0f, 0.0f, mHeightmap->GetHeight(ix,  iy));
	Vector3 v2(2.5f, 0.0f, mHeightmap->GetHeight(ix+1,iy));
	Vector3 v3(0.0f, 2.5f, mHeightmap->GetHeight(ix,  iy+1));

	float t;
	Ray ray(rPoint, Vector3(0.0f, 0.0f, -1.0f));
	if(!ray.IntersectTriangle(v1, v2, v3, t)){
		Vector3 v4(2.5f, 2.5f, mHeightmap->GetHeight(ix+1,iy+1));
		if(!ray.IntersectTriangle(v2, v4, v3, t)) return 0.0f;
	}

	rPoint.z -= t;
	rPoint += mTransform.GetTranslate();
	return rPoint.z;
}

Example #3

File: ruiAbsoluteLayout.cpp Project: matthewcpp/recondite

rSize ruiAbsoluteLayout::Layout(rRect& rect){
	if (m_layoutItems.size() == 0) return rSize(0, 0);

	rPoint ptmin(INT32_MAX, INT32_MAX);
	rPoint ptmax(INT32_MIN, INT32_MIN);

	for (size_t i = 0; i < m_layoutItems.size(); i++){	
		ruiWidget* widget = m_layoutItems[i];
		int margins[4] = { 0, 0, 0, 0 };

		int top = 0;
		int left = 0;
		int bottom = 0;
		int right = 0;

		ruiStyle* properties = widget->ComputedStyle();

		bool hasTop = properties->GetInt("top", top);
		bool hasLeft = properties->GetInt("left", left);
		bool hasBottom = properties->GetInt("bottom", bottom);
		bool hasRight = properties->GetInt("right", right);

		rSize itemSize = widget->Size();
		
		rPoint position;

		if (hasTop)
			position.y = top;

		else if (hasBottom)
			position.y = rect.Bottom() - bottom - itemSize.y;
		else
			position.y = 0;
			

		if (hasLeft)
			position.x = left;
		else if (hasRight)
			position.x = rect.Right() - right - itemSize.x;
		else
			position.x = 0;
			
		widget->SetPosition(position);

		UpdatePoints(ptmin, ptmax, position);
		UpdatePoints(ptmin, ptmax, rPoint(position.x + itemSize.x, position.y + itemSize.y));
	}

	rPoint difference = ptmax - ptmin;
	return rSize(difference.x, difference.y);
}

Example #4

File: MapBlock.cpp Project: DragoonX6/R3E

bool MapBlock::CastRayDown(const Ray& ray, float& tMin) const {
	Vector3 mpos = mTransform.GetTranslate();
	mpos.x = ray.mPoint.x - mpos.x;
	mpos.y = mpos.y - ray.mPoint.y;

	int ix = int(mpos.x / 2.5f) % 64;
	int iy = int(mpos.y / 2.5f) % 64;

	float tX = mpos.x - float(ix)*2.5f;
	float tY = mpos.y - float(iy)*2.5f;

	Vector3 v1(0.0f, 0.0f, mHeightmap->GetHeight(ix,  iy));
	Vector3 v2(2.5f, 0.0f, mHeightmap->GetHeight(ix+1,iy));
	Vector3 v3(0.0f, 2.5f, mHeightmap->GetHeight(ix,  iy+1));

	Vector3 rPoint(tX, tY, ray.mPoint.z);
	Ray nRay = Ray(rPoint, ray.mDirection);
	if(!nRay.IntersectTriangle(v1, v2, v3, tMin)){
		Vector3 v4(2.5f, 2.5f, mHeightmap->GetHeight(ix+1,iy+1));
		if(!nRay.IntersectTriangle(v2, v4, v3, tMin)) return false;
	}

	return true;
}