public void Draw(GraphicsDevice device, Effect effect, Matrix viewMatrix, Matrix projectionMatrix, float terrainWidth, float terrainHeight, VertexPositionTextureWeighted[] verts)
{
if (isLeaf)
{
if (tree.CheckVisible(tree.Frustum, this))
{
if (tree.CheckVisible(tree.LODFrustum, this))
{
device.Indices = NodeIndexBuffer;
LOD = 3;
}
else if (tree.CheckVisible(tree.LOD2Frustum, this))
{
device.Indices = LODIndexBuffer;
LOD = 2;
}
else
{
device.Indices = LOD2IndexBuffer;
LOD = 1;
}
device.DrawIndexedPrimitives(PrimitiveType.TriangleList, 0, 0, verts.Length, 0, (vertIndices.Length)/ 3);
}
}
else
{
if (tree.CheckVisible(tree.Frustum, this))
// if (isVisible(tree.Frustum))
{
topLeft.Draw(device, effect, viewMatrix, projectionMatrix, terrainWidth, terrainHeight, verts);
topRight.Draw(device, effect, viewMatrix, projectionMatrix, terrainWidth, terrainHeight, verts);
bottomLeft.Draw(device, effect, viewMatrix, projectionMatrix, terrainWidth, terrainHeight, verts);
bottomRight.Draw(device, effect, viewMatrix, projectionMatrix, terrainWidth, terrainHeight, verts);
}
}
}
public Quadtree(Texture2D heightMap, Texture2D colorMap, float[,] data, VertexPositionTextureWeighted[] verticesFromGame, Vector3 camPos, BoundingFrustum bounding, GraphicsDevice device)
{
this.heightMap = heightMap;
cameraPosition = camPos;
Frustum = bounding;
vertices = verticesFromGame;
LoadHeightMapPixelData(heightMap);
LoadHeightMapTextureData(colorMap);
SetupNodes(heightMap, device);
}
