public List <NodeHit> intersect(Vector3 sphereCenter, float radius, Material.Property materialFlags = Material.Property.ALL)
{
return(myRoot.sphereIntersection(sphereCenter, radius, materialFlags));
}
public int bufferNode(ref IntPtr buffer, Node n, Material.Property pass)
{
int vertCount = 0;
if (n.isLeaf == false)
{
for (int i = 0; i < 8; i++)
{
vertCount += bufferNode(ref buffer, n.myChildren[i], pass);
}
}
else
{
if (n.isVisible() == false)
{
return(0);
}
if (n.myMaterial.property != pass)
{
return(0);
}
TerrainVertex[] vertBuffer = new TerrainVertex[36];
//calculated values
Vector3[] verts = n.generateVerts();
int idx = 0;
for (int i = 0; i < 6; i++)
{
if (n.faceVisible(i) == true)
{
Vector2 uv;
Vector3 v;
//first triangle
v = n.localVertex(i, 0, ref verts);
uv = n.localUv(i, 0, ref verts);
vertBuffer[idx].pos = TerrainVertex.encode(v);
vertBuffer[idx].uvx = (UInt16)(uv.X * 100);
vertBuffer[idx].uvy = (UInt16)(uv.Y * 100);
vertBuffer[idx].texIndex = (UInt16)n.localMaterial(i); idx++;
v = n.localVertex(i, 1, ref verts);
uv = n.localUv(i, 1, ref verts);
vertBuffer[idx].pos = TerrainVertex.encode(v);
vertBuffer[idx].uvx = (UInt16)(uv.X * 100);
vertBuffer[idx].uvy = (UInt16)(uv.Y * 100);
vertBuffer[idx].texIndex = (UInt16)n.localMaterial(i); idx++;
v = n.localVertex(i, 2, ref verts);
uv = n.localUv(i, 2, ref verts);
vertBuffer[idx].pos = TerrainVertex.encode(v);
vertBuffer[idx].uvx = (UInt16)(uv.X * 100);
vertBuffer[idx].uvy = (UInt16)(uv.Y * 100);
vertBuffer[idx].texIndex = (UInt16)n.localMaterial(i); idx++;
//second triangle
v = n.localVertex(i, 0, ref verts);
uv = n.localUv(i, 0, ref verts);
vertBuffer[idx].pos = TerrainVertex.encode(v);
vertBuffer[idx].uvx = (UInt16)(uv.X * 100);
vertBuffer[idx].uvy = (UInt16)(uv.Y * 100);
vertBuffer[idx].texIndex = (UInt16)n.localMaterial(i); idx++;
v = n.localVertex(i, 2, ref verts);
uv = n.localUv(i, 2, ref verts);
vertBuffer[idx].pos = TerrainVertex.encode(v);
vertBuffer[idx].uvx = (UInt16)(uv.X * 100);
vertBuffer[idx].uvy = (UInt16)(uv.Y * 100);
vertBuffer[idx].texIndex = (UInt16)n.localMaterial(i); idx++;
v = n.localVertex(i, 3, ref verts);
uv = n.localUv(i, 3, ref verts);
vertBuffer[idx].pos = TerrainVertex.encode(v);
vertBuffer[idx].uvx = (UInt16)(uv.X * 100);
vertBuffer[idx].uvy = (UInt16)(uv.Y * 100);
vertBuffer[idx].texIndex = (UInt16)n.localMaterial(i); idx++;
}
}
for (int i = 0; i < idx; i++)
{
Marshal.StructureToPtr(vertBuffer[i], buffer, false);
buffer += TerrainVertex.stride;
}
//return the number of verts that are added
return(idx);
}
return(vertCount);
}
public List <NodeHit> intersect(Ray r, float t0, float t1, Material.Property materialFlags = Material.Property.ALL)
{
return(myRoot.rayIntersection(r, t0, t1, materialFlags));
}