// used to detect if vehicle body is on any obstacles public bool ScanLocalXZRectangle(ILocalSpaceBasis localSpace, float xMin, float xMax, float zMin, float zMax) { float spacing = MinSpacing() / 2; for (float x = xMin; x < xMax; x += spacing) { for (float z = zMin; z < zMax; z += spacing) { Vector3 sample = new Vector3(x, 0, z); Vector3 global = localSpace.GlobalizePosition(sample); if (GetMapValue(global)) return true; } } return false; }
// draw the three axes of a LocalSpace: three lines parallel to the // basis vectors of the space, centered at its origin, of lengths // given by the coordinates of "size". public static void DrawAxes(ILocalSpaceBasis ls, Vector3 size, Color color) { Vector3 x = new Vector3(size.X / 2, 0, 0); Vector3 y = new Vector3(0, size.Y / 2, 0); Vector3 z = new Vector3(0, 0, size.Z / 2); iDrawLine(ls.GlobalizePosition(x), ls.GlobalizePosition(x * -1), color); iDrawLine(ls.GlobalizePosition(y), ls.GlobalizePosition(y * -1), color); iDrawLine(ls.GlobalizePosition(z), ls.GlobalizePosition(z * -1), color); }
// draw the edges of a box with a given position, orientation, size // and color. The box edges are aligned with the axes of the given // LocalSpace, and it is centered at the origin of that LocalSpace. // "size" is the main diagonal of the box. // // use gGlobalSpace to draw a box aligned with global space public static void DrawBoxOutline(ILocalSpaceBasis localSpace, Vector3 size, Color color) { Vector3 s = size / 2.0f; // half of main diagonal Vector3 a = localSpace.GlobalizePosition(new Vector3(+s.X, +s.Y, +s.Z)); Vector3 b = localSpace.GlobalizePosition(new Vector3(+s.X, -s.Y, +s.Z)); Vector3 c = localSpace.GlobalizePosition(new Vector3(-s.X, -s.Y, +s.Z)); Vector3 d = localSpace.GlobalizePosition(new Vector3(-s.X, +s.Y, +s.Z)); Vector3 e = localSpace.GlobalizePosition(new Vector3(+s.X, +s.Y, -s.Z)); Vector3 f = localSpace.GlobalizePosition(new Vector3(+s.X, -s.Y, -s.Z)); Vector3 g = localSpace.GlobalizePosition(new Vector3(-s.X, -s.Y, -s.Z)); Vector3 h = localSpace.GlobalizePosition(new Vector3(-s.X, +s.Y, -s.Z)); iDrawLine(a, b, color); iDrawLine(b, c, color); iDrawLine(c, d, color); iDrawLine(d, a, color); iDrawLine(a, e, color); iDrawLine(b, f, color); iDrawLine(c, g, color); iDrawLine(d, h, color); iDrawLine(e, f, color); iDrawLine(f, g, color); iDrawLine(g, h, color); iDrawLine(h, e, color); }
private void SerialNumberAnnotationUtility(ILocalSpaceBasis selected) { // display a Pedestrian's serial number as a text label near its // screen position when it is near the selected vehicle or mouse. if (selected != null)//FIXME: && IsAnnotationEnabled) { foreach (IVehicle vehicle in _crowd) { const float NEAR_DISTANCE = 6; Vector3 vp = vehicle.Position; //Vector3 np = nearMouse.Position; if ((Vector3.Distance(vp, selected.Position) < NEAR_DISTANCE)/* || (nearMouse != null && (Vector3.Distance(vp, np) < nearDistance))*/) { String sn = String.Format("#{0}", vehicle.GetHashCode()); Color textColor = new Color((byte)(255.0f * 0.8f), (byte)(255.0f * 1), (byte)(255.0f * 0.8f)); Vector3 textOffset = new Vector3(0, 0.25f, 0); Vector3 textPos = vehicle.Position + textOffset; Drawing.Draw2dTextAt3dLocation(sn, textPos, textColor); } } } }