void Rasterizer::DrawPolygon(NPolygon poly)
{
int sides;
vector<Vertex> vertices = poly.GetVertices();
NPolygon polex;
if ( _texMap )
{
ProjectVerts(vertices);
polex = ClipCheck(vertices);
vector<Edge> edges = polex.GetEdges();
sides = polex.GetSides();
if ( sides == 0)
return;
CheckEdges(edges , sides);
DrawSpanBetweenBuffers();
ResetBounds();
}
else
{
ProjectVerts(vertices);
polex = ClipCheck(vertices);
sides = polex.GetSides();
vertices = polex.GetVertices();
if ( sides == 0)
return;
for(int i = 0; i < sides; i++)
{
DrawLine(vertices[i], vertices[(i+1)%sides]);
}
}
}
Rasterizer::Rasterizer(const unsigned width, const unsigned height, const float degrees)
{
int w = width;
int h = height;
SetFov(degrees);
_leftUBounds = new float[h];
_rightUBounds = new float[h];
_leftVBounds = new float[h];
_rightVBounds = new float[h];
_leftColor = new Color[h];
_rightColor = new Color[h];
_leftZBounds = new float[h];
_rightZBounds = new float[h];
_leftBounds = new int[h];
_rightBounds = new int[h];
_leftWBounds = new float[h];
_rightWBounds = new float[h];
_pixels.resize(width * height);
_width = w;
_height = h;
ResetBounds();
_nearPlane = 2;
_farPlane = 100;
_zBuff.resize(width * height);
SetUpMatrices();
ResetZBuff();
_basisOrigin = Vertex(0.0f, 0.0f, 0.0f);
_basisP = Vertex(Color(1.0f, 0.0f, 0.0f), 1.0f, 0.0f, 0.0f);
_basisQ = Vertex(Color(0.0f, 1.0f, 0.0f), 0.0f, 1.0f, 0.0f);
_basisR = Vertex(Color(0.0f, 0.0f, 1.0f), 0.0f, 0.0f, 1.0f);
}
void Box3D::SetEmpty()
{
Tool3D::SetEmpty();
ResetBounds();
if ( m_pDocument )
{
m_pDocument->UpdateAllViews( MAPVIEW_UPDATE_TOOL );
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
BoundBox::BoundBox(void)
{
ResetBounds();
}
