private void DrawTriangleBuffer()
{
if (polygonCount * 3 > vertices.Length)
{
ResizeBuffers();
}
int vertexIndex = 0;
for (int i = 0; i < polygonCount; i++)
{
Triangle polygon = triangleBuffer[i];
var color = new Microsoft.Xna.Framework.Color(
polygon.Color.R,
polygon.Color.G,
polygon.Color.B);
vertices[vertexIndex + 0] = new VertexPositionColor(
new Microsoft.Xna.Framework.Vector3(polygon.A.X, polygon.A.Y, polygon.A.Z), color);
vertices[vertexIndex + 1] = new VertexPositionColor(
new Microsoft.Xna.Framework.Vector3(polygon.B.X, polygon.B.Y, polygon.B.Z), color);
vertices[vertexIndex + 2] = new VertexPositionColor(
new Microsoft.Xna.Framework.Vector3(polygon.C.X, polygon.C.Y, polygon.C.Z), color);
vertexIndex += 3;
}
vertexBuffer.SetData(vertices);
device.SetVertexBuffer(vertexBuffer);
foreach (EffectPass pass in basicEffect.CurrentTechnique.Passes)
{
pass.Apply();
if (polygonCount > 0)
{
device.DrawPrimitives(PrimitiveType.TriangleList, 0, polygonCount);
}
}
device.SetVertexBuffer(null);
device.Present();
}
public override void Draw(PrimitiveType primType, int vertexCount, int startVertex)
{
_device.DrawPrimitives(XNAHelper.ToXNAPrimitiveType(primType), startVertex, XNAHelper.GetPrimitiveCount(primType, vertexCount, false, 0));
}
public void Render(GraphicsDevice device)
{
//device.RenderState.FillMode = FillMode.WireFrame;
if (draw_mode == DrawMode.Indexed)
device.DrawIndexedPrimitives(primitive_type, 0, 0, vertices_count, 0, primitive_count);
else
device.DrawPrimitives(primitive_type, 0, primitive_count);
}
