/*
* Used to draw the outline of the terrain quads bounding box.
* See the DrawQuadTree.cs script for more info.
*/
public void DrawQuadOutline(Camera camera, Material lineMaterial, Color lineColor)
{
if (IsLeaf())
{
if (m_visible == Frustum.VISIBILTY.INVISIBLE)
{
return;
}
Vector3[] verts = new Vector3[8];
verts[0] = m_owner.GetDeform().LocalToDeformed(new Vector3d2(m_ox, m_oy, m_zmin)).ToVector3();
verts[1] = m_owner.GetDeform().LocalToDeformed(new Vector3d2(m_ox + m_length, m_oy, m_zmin)).ToVector3();
verts[2] = m_owner.GetDeform().LocalToDeformed(new Vector3d2(m_ox, m_oy + m_length, m_zmin)).ToVector3();
verts[3] = m_owner.GetDeform().LocalToDeformed(new Vector3d2(m_ox + m_length, m_oy + m_length, m_zmin)).ToVector3();
verts[4] = m_owner.GetDeform().LocalToDeformed(new Vector3d2(m_ox, m_oy, m_zmax)).ToVector3();
verts[5] = m_owner.GetDeform().LocalToDeformed(new Vector3d2(m_ox + m_length, m_oy, m_zmax)).ToVector3();
verts[6] = m_owner.GetDeform().LocalToDeformed(new Vector3d2(m_ox, m_oy + m_length, m_zmax)).ToVector3();
verts[7] = m_owner.GetDeform().LocalToDeformed(new Vector3d2(m_ox + m_length, m_oy + m_length, m_zmax)).ToVector3();
GL.PushMatrix();
GL.LoadIdentity();
GL.MultMatrix(camera.worldToCameraMatrix * m_owner.GetLocalToWorld().ToMatrix4x4());
GL.LoadProjectionMatrix(camera.projectionMatrix);
lineMaterial.SetPass(0);
GL.Begin(GL.LINES);
GL.Color(lineColor);
for (int i = 0; i < 4; i++)
{
//Draw bottom quad
GL.Vertex3(verts[ORDER[i, 0]].x, verts[ORDER[i, 0]].y, verts[ORDER[i, 0]].z);
GL.Vertex3(verts[ORDER[i, 1]].x, verts[ORDER[i, 1]].y, verts[ORDER[i, 1]].z);
//Draw top quad
GL.Vertex3(verts[ORDER[i, 0] + 4].x, verts[ORDER[i, 0] + 4].y, verts[ORDER[i, 0] + 4].z);
GL.Vertex3(verts[ORDER[i, 1] + 4].x, verts[ORDER[i, 1] + 4].y, verts[ORDER[i, 1] + 4].z);
//Draw verticals
GL.Vertex3(verts[ORDER[i, 0]].x, verts[ORDER[i, 0]].y, verts[ORDER[i, 0]].z);
GL.Vertex3(verts[ORDER[i, 0] + 4].x, verts[ORDER[i, 0] + 4].y, verts[ORDER[i, 0] + 4].z);
}
GL.End();
GL.PopMatrix();
}
if (!IsLeaf())
{
m_children[0].DrawQuadOutline(camera, lineMaterial, lineColor);
m_children[1].DrawQuadOutline(camera, lineMaterial, lineColor);
m_children[2].DrawQuadOutline(camera, lineMaterial, lineColor);
m_children[3].DrawQuadOutline(camera, lineMaterial, lineColor);
}
}