public void drawCollisionMap(bool drawAsBlack)
{
GL.PushMatrix();
GL.EnableClientState(ArrayCap.VertexArray);
if (drawAsBlack) // Used as part of color picking
{
GL.BlendFunc(BlendingFactorSrc.Zero, BlendingFactorDest.Zero);
}
for (int i = 0; i < triangles.Count; i++)
{
CollisionTriangleList l = triangles[i];
//if (m.vertices == null || m.indices == null) return;
GL.BindTexture(TextureTarget.Texture2D, l.texture.ID);
GL.BindBuffer(BufferTarget.ArrayBuffer, vbo);
GL.VertexPointer(3, VertexPointerType.Float, 0, IntPtr.Zero);
GL.BindBuffer(BufferTarget.ElementArrayBuffer, l.ibo);
if (!Globals.doWireframe)
{
GL.DrawElements(PrimitiveType.Triangles, l.indices.Length,
DrawElementsType.UnsignedInt, IntPtr.Zero);
}
else
{
GL.DrawElements(PrimitiveType.Lines, l.indices.Length,
DrawElementsType.UnsignedInt, IntPtr.Zero);
}
}
if (drawAsBlack)
{
GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
}
GL.DisableClientState(ArrayCap.VertexArray);
GL.PopMatrix();
}
public short dropToGround(Vector3 pos)
{
List <float> found = new List <float>();
for (int i = 0; i < triangles.Count; i++)
{
CollisionTriangleList list = triangles[i];
for (int j = 0; j < list.indices.Length; j += 3)
{
tempTriangle temp;
int index1 = (int)list.indices[j + 0];
int index2 = (int)list.indices[j + 1];
int index3 = (int)list.indices[j + 2];
int numVertices = vertices.Count;
if (index1 >= numVertices || index2 >= numVertices || index3 >= numVertices)
{
continue;
}
temp.a = new Vector3(vertices[index1]);
temp.b = new Vector3(vertices[index2]);
temp.c = new Vector3(vertices[index3]);
if (PointInTriangle(pos.Xz, temp.a.Xz, temp.b.Xz, temp.c.Xz))
{
found.Add(barryCentric(temp.a, temp.b, temp.c, pos));
}
}
}
if (found.Count == 0)
{
return((short)pos.Y);
}
int closest_index = 0;
float closest_abs = 9999999.0f;
// Console.WriteLine("Found " + found.Count + " triangles under position");
for (int i = 0; i < found.Count; i++)
{
float abs = Math.Abs(pos.Y - found[i]);
if (abs < closest_abs)
{
closest_abs = abs;
closest_index = i;
}
}
return((short)found[closest_index]);
}
public void drawCollisionMapOutline()
{
GL.PushMatrix();
GL.EnableClientState(ArrayCap.VertexArray);
GL.BlendFunc(BlendingFactorSrc.Zero, BlendingFactorDest.Zero);
for (int i = 0; i < triangles.Count; i++)
{
CollisionTriangleList l = triangles[i];
//if (m.vertices == null || m.indices == null) return;
GL.BindTexture(TextureTarget.Texture2D, l.texture.ID);
GL.BindBuffer(BufferTarget.ArrayBuffer, vbo);
GL.VertexPointer(3, VertexPointerType.Float, 0, IntPtr.Zero);
GL.BindBuffer(BufferTarget.ElementArrayBuffer, l.ibo);
GL.PolygonMode(MaterialFace.FrontAndBack, PolygonMode.Line);
GL.BindBuffer(BufferTarget.ElementArrayBuffer, l.ibo);
GL.DrawElements(PrimitiveType.Triangles, l.indices.Length,
DrawElementsType.UnsignedInt, IntPtr.Zero);
GL.PolygonMode(MaterialFace.FrontAndBack, PolygonMode.Fill);
}
GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
GL.DisableClientState(ArrayCap.VertexArray);
GL.PopMatrix();
}
public short dropToGround(Vector3 pos)
{
List <float> found = new List <float>();
for (int i = 0; i < triangles.Count; i++)
{
CollisionTriangleList list = triangles[i];
for (int j = 0; j < list.indices.Length; j += 3)
{
tempTriangle temp;
temp.a = new Vector3(vertices[(int)list.indices[j + 0]]);
temp.b = new Vector3(vertices[(int)list.indices[j + 1]]);
temp.c = new Vector3(vertices[(int)list.indices[j + 2]]);
if (PointInTriangle(pos.Xz, temp.a.Xz, temp.b.Xz, temp.c.Xz))
{
found.Add(barryCentric(temp.a, temp.b, temp.c, pos));
}
}
}
if (found.Count == 0)
{
return((short)pos.Y);
}
float highestY = -0x2000;
// Console.WriteLine("Found " + found.Count + " triangles under position");
for (int i = 0; i < found.Count; i++)
{
if (found[i] > highestY)
{
highestY = found[i];
}
}
return((short)highestY);
}
