private void BuildTreeSpritesBuffers() { var v = new TreePointSprite[TreeCount]; for (int i = 0; i < TreeCount; i++) { float y; float x; float z; do { x = MathF.Rand(-75.0f, 75.0f); z = MathF.Rand(-75.0f, 75.0f); y = GetHillHeight(x, z); } while (y < -3 || y > 15.0f); y += 10.0f; v[i].Pos = new Vector3(x, y, z); v[i].Size = new Vector2(24.0f, 24.0f); } var vbd = new BufferDescription { Usage = ResourceUsage.Immutable, SizeInBytes = TreePointSprite.Stride * TreeCount, BindFlags = BindFlags.VertexBuffer, CpuAccessFlags = CpuAccessFlags.None, OptionFlags = ResourceOptionFlags.None, }; _treeSpritesVB = new Buffer(Device, new DataStream(v, false, false), vbd); }
private void BuildTreeSpritesBuffers() { var v = new TreePointSprite[TreeCount]; for (int i = 0; i < TreeCount; i++) { float y; float x; float z; do { x = MathF.Rand(-75.0f, 75.0f); z = MathF.Rand(-75.0f, 75.0f); y = GetHillHeight(x, z); } while (y < -3 || y > 15.0f); y += 10.0f; v[i].Pos = new Vector3(x,y,z); v[i].Size = new Vector2(24.0f,24.0f); } var vbd = new BufferDescription { Usage = ResourceUsage.Immutable, SizeInBytes = TreePointSprite.Stride * TreeCount, BindFlags = BindFlags.VertexBuffer, CpuAccessFlags = CpuAccessFlags.None, OptionFlags = ResourceOptionFlags.None, }; _treeSpritesVB = new Buffer(Device, new DataStream(v, false, false), vbd); }