public void vertex(int x, int y)
{
PVertex v = new PVertex();
v.x = x;
v.y = y;
fVertices.Add(v);
}
void DrawQuadStrip(PVertex[] pts)
{
for (int i = 0; i < pts.Length-2; i += 2)
{
quad(pts[i].x, pts[i].y, pts[i + 1].x, pts[i + 1].y, pts[i + 2].x, pts[i + 2].y, pts[i + 3].x, pts[i + 3].y);
}
}
Point2I[] GetPoints(PVertex[] pts)
{
Point2I[] r = new Point2I[pts.Length];
for (int i=0; i< pts.Length; i++)
{
r[i].x = (int)Math.Round(pts[i].x);
r[i].y = (int)Math.Round(pts[i].y);
}
return r;
}
void DrawQuads(PVertex[] pts)
{
for (int i = 0; i < pts.Length; i += 4)
{
quad(pts[i].x, pts[i].y, pts[i + 1].x, pts[i + 1].y, pts[i + 2].x, pts[i + 2].y, pts[i + 3].x, pts[i + 3].y);
}
}
void DrawTriangleFan(PVertex[] pts)
{
// There must be at least two points to draw a line
if (pts.Length < 3)
return;
float x0 = pts[0].x;
float y0 = pts[0].y;
for (int i = 1; i < pts.Length - 1; i += 1)
{
triangle(x0, y0, pts[i].x, pts[i].y, pts[i + 1].x, pts[i + 1].y);
}
}
void DrawTriangleStrip(PVertex[] pts)
{
// There must be at least two points to draw a line
if (pts.Length < 3)
return;
for (int i = 0; i < pts.Length-2; i += 1)
{
triangle(pts[i].x, pts[i].y, pts[i + 1].x, pts[i + 1].y, pts[i + 2].x, pts[i + 2].y);
}
}
void DrawLines(PVertex[] pts)
{
// There must be at least two points to draw a line
if (pts.Length < 2)
return;
for (int i=0; i<pts.Length; i+=2)
{
line(pts[i].x, pts[i].y, pts[i + 1].x, pts[i + 1].y);
}
}
// bezierVertex
// curveVertex
// endShape
#region DrawElements
void DrawPoints(PVertex[] pts)
{
foreach (PVertex pt in pts)
{
point(pt.x, pt.y);
}
}
