virtual public void DrawWidgets(NRenderPrimitiveDrawInterface PDI)
{
PDI.DrawDebugString(3, 3, m_mode.ToString(), new Color4ub(0, 5, 5, 255));
PDI.DrawDebugString(2, 2, m_mode.ToString(), new Color4ub(255, 250, 250, 255));
//-- draw axis
int p = 32;
Vector3 c = m_view.Camera.ScreenToWorld(p, (int)this.m_view.Height - p);
Vector3 t = m_view.Camera.ScreenToWorld(p, (int)this.m_view.Height);
float d = Vector3.Distance(c, t);
c += m_view.Camera.Forward * d;
Vector3 cx = c;
cx.x += d;
Vector3 cy = c;
cy.y += d;
Vector3 cz = c;
cz.z += d;
float g = 195.0f / 256.0f;
PDI.BeginLineBatch();
//-- draw axis
PDI.DrawLine(c, cx, new Color4f(g, 0, 0));
PDI.DrawLine(c, cy, new Color4f(0, g, 0));
PDI.DrawLine(c, cz, new Color4f(0, 0, g));
int offset = -8;
System.Drawing.Point vp = m_view.Camera.WorldToScreen(cx);
PDI.DrawDebugString(vp.X, vp.Y + offset, "X", new Color4ub(195, 0, 0, 255));
vp = m_view.Camera.WorldToScreen(cy);
PDI.DrawDebugString(vp.X, vp.Y + offset, "Y", new Color4ub(0, 195, 0, 255));
vp = m_view.Camera.WorldToScreen(cz);
PDI.DrawDebugString(vp.X, vp.Y + offset, "Z", new Color4ub(0, 0, 195, 255));
//-- draw xz plane
int num = 20;
float grid = 100;
Color4f gridColorLight = new Color4f(148 / 256.0f, 148 / 256.0f, 148 / 256.0f);
Color4f gridColor = new Color4f(118 / 256.0f, 118 / 256.0f, 118 / 256.0f);
Color4f blackColor = new Color4f();
for (int z = 1; z < num; z++)
{
float px = num * grid;
float pz = z * grid;
Color4f ct = gridColorLight;
if (z % 10 == 0)
{
ct = gridColor;
}
PDI.DrawLine(new Vector3(-px, 0, pz), new Vector3(px, 0, pz), ct);
PDI.DrawLine(new Vector3(-px, 0, -pz), new Vector3(px, 0, -pz), ct);
PDI.DrawLine(new Vector3(pz, 0, px), new Vector3(pz, 0, -px), ct);
PDI.DrawLine(new Vector3(-pz, 0, px), new Vector3(-pz, 0, -px), ct);
}
float l = num * grid;
PDI.DrawLine(new Vector3(-l, 0, 0), new Vector3(l, 0, 0), blackColor);
PDI.DrawLine(new Vector3(0, 0, -l), new Vector3(0, 0, l), blackColor);
PDI.EndLineBatch();
}
