protected virtual void _CollectMesh(Matrix4 transMat, int w, int h, RenderType rt, List <IPosLight> lights, AddPixelHandler handler)
{
Camera camera = Camera.Default;
if (null == camera)
{
return;
}
Vertex vertex1, vertex2;
Vertex2D point1, point2;
int pointCount = _pointList.Count - 1;
for (int i = 0; i < pointCount; ++i)
{
vertex1 = _pointList[i];
vertex2 = _pointList[i + 1];
// 将3d坐标投影到2d空间;
point1 = GraphPragma.BuildVertex2D(vertex1, transMat, camera.Pos, lights, w, h);
point2 = GraphPragma.BuildVertex2D(vertex2, transMat, camera.Pos, lights, w, h);
// 计算线段;
Line.DrawLine(point1, point2, handler, DrawLineType.Bresenham, SoftDevice.Default.ZTest);
}
vertex1 = _pointList[_pointList.Count - 1];
vertex2 = _pointList[0];
point1 = GraphPragma.BuildVertex2D(vertex1, transMat, camera.Pos, lights, w, h);
point2 = GraphPragma.BuildVertex2D(vertex2, transMat, camera.Pos, lights, w, h);
Line.DrawLine(point1, point2, handler, DrawLineType.Bresenham, SoftDevice.Default.ZTest);
}
protected override void _CollectMesh(Matrix4 transMat, int w, int h,
RenderType rt, List <IPosLight> lights, AddPixelHandler handler)
{
if (_pointList.Count != VertexNumber)
{
return;
}
GraphPragma.DrawTriangle(transMat,
_pointList[0], _pointList[1], _pointList[2],
MaterialName, w, h, rt, lights, handler);
}
protected override void _CollectMesh(Matrix4 transMat, int w, int h, RenderType rt, List <IPosLight> lights, AddPixelHandler handler)
{
if (_pointList.Count % 2 != 0)
{
return;
}
Camera camera = Camera.Default;
if (null == camera)
{
return;
}
int pointCount = _pointList.Count - 1;
for (int i = 0; i < pointCount; i += 2)
{
Vertex v0 = _pointList[i];
Vertex v1 = _pointList[i + 1];
Vertex2D p0 = GraphPragma.BuildVertex2D(v0, transMat, camera.Pos, lights, w, h);
Vertex2D p1 = GraphPragma.BuildVertex2D(v1, transMat, camera.Pos, lights, w, h);
Line.DrawLine(p0, p1, handler, DrawLineType.Bresenham, SoftDevice.Default.ZTest);
}
}
protected bool _HandleOnePoint(Matrix4 transformMat, int w, int h, AddPixelHandler handler)
{
int pointCount = _pointList.Count;
if (pointCount < 2)
{
// 只有一个点就画一个点;
for (int i = 0; i < pointCount; ++i)
{
Vertex vertex = _pointList[i];
// 将3d坐标投影到2d空间;
Vertex2D point = GraphPragma.ProjectToScreen(vertex.Position, transformMat, (float)w, (float)h);
point.color = vertex.Color;
// 添加像素点;
if (null != handler)
{
handler(point.x, point.y, 0, vertex.Color);
}
}
return(true);
}
return(false);
}
