// line 2d
public void DrawLine(float x0, float y0, float x1, float y1, int dw, Color color)
{
TGCVector2[] V = new TGCVector2[4];
V[0].X = x0;
V[0].Y = y0;
V[1].X = x1;
V[1].Y = y1;
if (dw < 1)
{
dw = 1;
}
// direccion normnal
TGCVector2 v = V[1] - V[0];
v.Normalize();
TGCVector2 n = new TGCVector2(-v.Y, v.X);
V[2] = V[1] + n * dw;
V[3] = V[0] + n * dw;
VERTEX2D[] pt = new VERTEX2D[16];
// 1er triangulo
pt[0].x = V[0].X;
pt[0].y = V[0].Y;
pt[1].x = V[1].X;
pt[1].y = V[1].Y;
pt[2].x = V[2].X;
pt[2].y = V[2].Y;
// segundo triangulo
pt[3].x = V[0].X;
pt[3].y = V[0].Y;
pt[4].x = V[2].X;
pt[4].y = V[2].Y;
pt[5].x = V[3].X;
pt[5].y = V[3].Y;
for (int t = 0; t < 6; ++t)
{
pt[t].z = 0.5f;
pt[t].rhw = 1;
pt[t].color = color.ToArgb();
++t;
}
// dibujo como lista de triangulos
var device = D3DDevice.Instance.Device;
device.VertexFormat = VertexFormats.Transformed | VertexFormats.Diffuse;
device.DrawUserPrimitives(PrimitiveType.TriangleList, 2, pt);
}
public void FillRect(float x0, float y0, float x1, float y1, Color color)
{
TGCVector2[] V = new TGCVector2[4];
V[0].X = x0;
V[0].Y = y0;
V[1].X = x0;
V[1].Y = y1;
V[2].X = x1;
V[2].Y = y1;
V[3].X = x1;
V[3].Y = y0;
VERTEX2D[] pt = new VERTEX2D[16];
// 1er triangulo
pt[0].x = V[0].X;
pt[0].y = V[0].Y;
pt[1].x = V[1].X;
pt[1].y = V[1].Y;
pt[2].x = V[2].X;
pt[2].y = V[2].Y;
// segundo triangulo
pt[3].x = V[0].X;
pt[3].y = V[0].Y;
pt[4].x = V[2].X;
pt[4].y = V[2].Y;
pt[5].x = V[3].X;
pt[5].y = V[3].Y;
for (int t = 0; t < 6; ++t)
{
pt[t].z = 0.5f;
pt[t].rhw = 1;
pt[t].color = color.ToArgb();
++t;
}
// dibujo como lista de triangulos
var device = D3DDevice.Instance.Device;
device.VertexFormat = VertexFormats.Transformed | VertexFormats.Diffuse;
device.DrawUserPrimitives(PrimitiveType.TriangleList, 2, pt);
}