private TerrainRenderer GetRenderer()
{
if (this.openFileDialog1.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
try
{
var positionList = new List <vec3>();
string filename = this.openFileDialog1.FileName;
using (var streamReader = new System.IO.StreamReader(filename))
{
while (!streamReader.EndOfStream)
{
string line = streamReader.ReadLine();
string[] parts = line.Split(new char[] { ' ', '\t', '\r', '\n' }, StringSplitOptions.RemoveEmptyEntries);
float x = float.Parse(parts[0]);
float y = float.Parse(parts[1]);
float z = float.Parse(parts[2]);
positionList.Add(new vec3(x, y, z));
}
}
var renderer = TerrainRenderer.GetRenderer(positionList);
return(renderer);
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
return(null);
}
private void 添加OToolStripMenuItem_Click(object sender, EventArgs e)
{
TerrainRenderer renderer = GetRenderer();
if (renderer != null)
{
this.terrainRendererList.Add(renderer);
renderer.Initialize();
UpdateCamera();
var frmPropertyGrid = new FormProperyGrid(renderer);
frmPropertyGrid.Show();
}
}
private void UpdateCamera()
{
if (this.terrainRendererList.Count > 0)
{
TerrainRenderer first = this.terrainRendererList[0];
BoundingBox boundingBox = first.BoundingBox;
for (int i = 1; i < this.terrainRendererList.Count; i++)
{
boundingBox.Union(this.terrainRendererList[i].BoundingBox);
}
this.camera.ZoomCamera(boundingBox);
this.boundingBox = boundingBox;
//vec3 translate = boundingBox.GetCenter() - this.camera.Target;
//this.camera.Target = this.camera.Target + translate;
//this.camera.Position = this.camera.Position + translate;
}
}
public static TerrainRenderer GetRenderer(IList <vec3> positions)
{
BoundingBox boundingBox = positions.Move2Center();
IBufferable model = new TerrainModel(positions);
var shaderCodes = new ShaderCode[2];
shaderCodes[0] = new ShaderCode(File.ReadAllText(@"shaders\Terrain.vert"), ShaderType.VertexShader);
shaderCodes[1] = new ShaderCode(File.ReadAllText(@"shaders\Terrain.frag"), ShaderType.FragmentShader);
var map = new PropertyNameMap();
map.Add("in_Position", TerrainModel.strPosition);
var renderer = new TerrainRenderer(model, shaderCodes, map, boundingBox,
new PointSizeSwitch(10));
return(renderer);
}
