//Creates a surface tool for mesh creation
public static SurfaceTool CreateSurfaceTool(SpatialMaterial material = null)
{
var surfTool = new SurfaceTool();
surfTool.Begin(Mesh.PrimitiveType.Triangles);
if (material == null)
{
material = new SpatialMaterial();
//material.SetEmission(new Color(1.0f, 0.0f, 0.0f));
//material.SetEmissionEnergy(0.5f);
material.SetAlbedo(new Color(0.5f, 0.0f, 0.0f));
//material.SetMetallic(0.5f);
material.SetCullMode(SpatialMaterial.CullMode.Back);
}
surfTool.SetMaterial(material);
return(surfTool);
}
private void CreatePerceptionPyramidMesh()
{
var material = new SpatialMaterial();
material.FlagsTransparent = true;
material.AlbedoColor = new Color(0.0f, 1.0f, 0.0f, 0.02f);
material.SetCullMode(SpatialMaterial.CullMode.Disabled);
// Pyramid
var surfaceTool = new SurfaceTool();
surfaceTool.Begin(Mesh.PrimitiveType.Triangles);
// Top face
surfaceTool.AddNormal(new Vector3(0.0f, 0.5f, 0.5f));
surfaceTool.AddColor(new Color(0.0f, 1.0f, 0.0f, 0.02f));
surfaceTool.AddVertex(new Vector3(-perceptionRadius / 2, perceptionRadius / 2, -perceptionRadius)); // top left
surfaceTool.AddNormal(new Vector3(0.0f, 0.5f, 0.5f));
surfaceTool.AddColor(new Color(0.0f, 1.0f, 0.0f, 0.02f));
surfaceTool.AddVertex(new Vector3(perceptionRadius / 2, perceptionRadius / 2, -perceptionRadius)); // top right
surfaceTool.AddNormal(new Vector3(0.0f, 0.5f, 0.5f));
surfaceTool.AddColor(new Color(0.0f, 1.0f, 0.0f, 0.02f));
surfaceTool.AddVertex(new Vector3(0, 0, 2.0f)); // home
// Right face
surfaceTool.AddNormal(new Vector3(0.5f, 0.0f, 0.5f));
surfaceTool.AddColor(new Color(0.0f, 1.0f, 0.0f, 0.02f));
surfaceTool.AddVertex(new Vector3(perceptionRadius / 2, perceptionRadius / 2, -perceptionRadius)); // top right
surfaceTool.AddNormal(new Vector3(0.5f, 0.0f, 0.5f));
surfaceTool.AddColor(new Color(0.0f, 1.0f, 0.0f, 0.02f));
surfaceTool.AddVertex(new Vector3(perceptionRadius / 2, -perceptionRadius / 2, -perceptionRadius)); // bottom right
surfaceTool.AddNormal(new Vector3(0.5f, 0.0f, 0.5f));
surfaceTool.AddColor(new Color(0.0f, 1.0f, 0.0f, 0.02f));
surfaceTool.AddVertex(new Vector3(0, 0, 2.0f)); // home
// Bottom face
surfaceTool.AddNormal(new Vector3(0.0f, -0.5f, 0.5f));
surfaceTool.AddColor(new Color(0.0f, 1.0f, 0.0f, 0.02f));
surfaceTool.AddVertex(new Vector3(perceptionRadius / 2, -perceptionRadius / 2, -perceptionRadius)); // bottom right
surfaceTool.AddNormal(new Vector3(0.0f, -0.5f, 0.5f));
surfaceTool.AddColor(new Color(0.0f, 1.0f, 0.0f, 0.02f));
surfaceTool.AddVertex(new Vector3(-perceptionRadius / 2, -perceptionRadius / 2, -perceptionRadius)); // bottom left
surfaceTool.AddNormal(new Vector3(0.0f, -0.5f, 0.5f));
surfaceTool.AddColor(new Color(0.0f, 1.0f, 0.0f, 0.02f));
surfaceTool.AddVertex(new Vector3(0, 0, 2.0f)); // home
// Left face
surfaceTool.AddNormal(new Vector3(-0.5f, 0.0f, 0.5f));
surfaceTool.AddColor(new Color(0.0f, 1.0f, 0.0f, 0.02f));
surfaceTool.AddVertex(new Vector3(-perceptionRadius / 2, -perceptionRadius / 2, -perceptionRadius)); // bottom left
surfaceTool.AddNormal(new Vector3(-0.5f, 0.0f, 0.5f));
surfaceTool.AddColor(new Color(0.0f, 1.0f, 0.0f, 0.02f));
surfaceTool.AddVertex(new Vector3(-perceptionRadius / 2, perceptionRadius / 2, -perceptionRadius)); // top left
surfaceTool.AddNormal(new Vector3(-0.5f, 0.0f, 0.5f));
surfaceTool.AddColor(new Color(0.0f, 1.0f, 0.0f, 0.02f));
surfaceTool.AddVertex(new Vector3(0, 0, 2.0f)); // home
// Base face1
surfaceTool.AddNormal(new Vector3(0.0f, 0.0f, -1.0f));
surfaceTool.AddColor(new Color(0.0f, 1.0f, 0.0f, 0.02f));
surfaceTool.AddVertex(new Vector3(perceptionRadius / 2, perceptionRadius / 2, -perceptionRadius)); // top right
surfaceTool.AddNormal(new Vector3(0.0f, 0.0f, -1.0f));
surfaceTool.AddColor(new Color(0.0f, 1.0f, 0.0f, 0.02f));
surfaceTool.AddVertex(new Vector3(-perceptionRadius / 2, perceptionRadius / 2, -perceptionRadius)); // top left
surfaceTool.AddNormal(new Vector3(0.0f, 0.0f, -1.0f));
surfaceTool.AddColor(new Color(0.0f, 1.0f, 0.0f, 0.02f));
surfaceTool.AddVertex(new Vector3(-perceptionRadius / 2, -perceptionRadius / 2, -perceptionRadius)); // bottom left
// Base face2
surfaceTool.AddNormal(new Vector3(0.0f, 0.0f, -1.0f));
surfaceTool.AddColor(new Color(0.0f, 1.0f, 0.0f, 0.02f));
surfaceTool.AddVertex(new Vector3(-perceptionRadius / 2, -perceptionRadius / 2, -perceptionRadius)); // bottom left
surfaceTool.AddNormal(new Vector3(0.0f, 0.0f, -1.0f));
surfaceTool.AddColor(new Color(0.0f, 1.0f, 0.0f, 0.02f));
surfaceTool.AddVertex(new Vector3(perceptionRadius / 2, -perceptionRadius / 2, -perceptionRadius)); // bottom right
surfaceTool.AddNormal(new Vector3(0.0f, 0.0f, -1.0f));
surfaceTool.AddColor(new Color(0.0f, 1.0f, 0.0f, 0.02f));
surfaceTool.AddVertex(new Vector3(perceptionRadius / 2, perceptionRadius / 2, -perceptionRadius)); // top right
surfaceTool.Index();
var mesh = surfaceTool.Commit();
mesh.SurfaceSetMaterial(0, material);
var meshInstance = new MeshInstance();
meshInstance.Mesh = mesh;
meshInstance.SetName("perceptionMesh");
meshInstance.SetVisible(false);
this.AddChild(meshInstance);
}
// Creates a wire mesh and places the spheres to make sure the tile is aligned.
private void CreateMeshForTile(Tile tile, float sphereScale)
{
//Get tile center point
decimal tileCenterX = 0;
decimal tileCenterY = 0;
decimal tileCenterZ = 0;
List <Point> points = tile.boundary;
//Calculate the average center point and polygon side length.
foreach (Point point in points)
{
tileCenterX += point.x / points.Count;
tileCenterY += point.y / points.Count;
tileCenterZ += point.z / points.Count;
}
//Create the center point
var tileCenterPoint = new Vector3((float)tileCenterX, (float)tileCenterY, (float)tileCenterZ);
if (points.Count == 5)
{
tileCenterPoint = tileCenterPoint + (tileCenterPoint.Normalized() * 6);
}
GD.Print(tileCenterPoint);
//Create surface tool
var material = new SpatialMaterial();
//material.SetEmission(new Color(1.0f, 0.0f, 0.0f));
//material.SetEmissionEnergy(0.5f);
material.SetAlbedo(new Color(0.0f, 0.0f, 0.0f));
//material.SetMetallic(0.5f);
material.SetCullMode(SpatialMaterial.CullMode.Back);
var surfaceTool = MeshCreation.CreateSurfaceTool(material);
//Make triangles for polygon
for (var index = 0; index < points.Count; index++)
{
var point = new Vector3((float)points[index].x, (float)points[index].y, (float)points[index].z);
Vector3 nextPoint;
if (index < points.Count - 1)
{
nextPoint = new Vector3((float)points[index + 1].x, (float)points[index + 1].y, (float)points[index + 1].z);
}
else
{
nextPoint = new Vector3((float)points[0].x, (float)points[0].y, (float)points[0].z);
}
if (points.Count == 5)
{
point = point + (point.Normalized() * 6);
nextPoint = nextPoint + (nextPoint.Normalized() * 6);
}
MeshCreation.AddTriangle(surfaceTool, point, nextPoint, tileCenterPoint, true);
}
//Add to scene
var meshInstance = MeshCreation.CreateMeshInstanceFromMesh(MeshCreation.CreateMeshFromSurfaceTool(surfaceTool));
this.AddChild(meshInstance);
/*
* var surfTool = new SurfaceTool();
* var mesh = new ArrayMesh();
* var material = new SpatialMaterial();
* material.SetEmission(new Color(1.0f, 0.0f, 0.0f));
* material.SetAlbedo(new Color(1.0f, 0.0f, 0.0f));
* surfTool.Begin(Mesh.PrimitiveType.TriangleStrip);
* //LineLoop - Nothing
* //Lines - Nothing
* //LineStrip - Nothing
* //Points - Nothing
* //TriangleFan - Nothing
* //Triangles - Nothing
* //TriangleStrip - Nothing
* surfTool.SetMaterial(material);
* decimal tileCenterX = 0;
* decimal tileCenterY = 0;
* decimal tileCenterZ = 0;
* decimal polygonRadius = 0;
*
* List<Point> points = tile.boundary;
* var lastPoint = points[points.Count - 1];
* Vector3 lastPointVector = new Vector3((float)lastPoint.x, (float)lastPoint.y, (float)lastPoint.z);
* decimal polygonSideLength = 0;
* foreach (Point point in points) {
* surfTool.AddUv(new Vector2(0, 0));
* surfTool.AddVertex(new Vector3((float)point.x, (float)point.y, (float)point.z));
*
* tileCenterX += point.x / points.Count;
* tileCenterY += point.y / points.Count;
* tileCenterZ += point.z / points.Count;
* Vector3 currentVector = new Vector3((float)point.x, (float)point.y, (float)point.z);
* polygonSideLength += (decimal)currentVector.DistanceTo(lastPointVector);
* lastPointVector = currentVector;
* }
* polygonSideLength = polygonSideLength / points.Count;
*
* var tileCenterPoint = new Vector3((float)tileCenterX, (float)tileCenterY, (float)tileCenterZ);
* var firstPoint = new Vector3((float)points[0].x, (float)points[0].y, (float)points[0].z);
*
* foreach (Point point in points)
* {
* var vector = new Vector3((float) point.x, (float)point.y, (float)point.z);
* polygonRadius += (decimal)vector.DistanceTo(tileCenterPoint);
* }
* polygonRadius = polygonRadius / points.Count;
*
* var polygonRotation = firstPoint.AngleTo(tileCenterPoint);
*
*
* var sphereCenterPoint = new Vector3(0f, 0f, 0f);
*
* MeshInstance sphere = (MeshInstance)blueSphereMeshScene.Instance();
* sphere.SetTranslation(tileCenterPoint);
* sphere.SetScale(new Vector3(sphereScale, sphereScale, sphereScale));
* this.AddChild(sphere);
*
* MeshInstance sphere2 = (MeshInstance)greenSphereMeshScene.Instance();
* sphere2.SetTranslation(firstPoint);
* sphere2.SetScale(new Vector3(sphereScale, sphereScale, sphereScale));
* this.AddChild(sphere2);
*
* MeshInstance sphere3 = (MeshInstance)greenSphereMeshScene.Instance();
* sphere3.SetTranslation((firstPoint - tileCenterPoint) / 2 + tileCenterPoint);
* sphere3.SetScale(new Vector3(sphereScale, sphereScale, sphereScale));
* this.AddChild(sphere3);
*
* surfTool.GenerateNormals();
* surfTool.Index();
* surfTool.Commit(mesh);
* var meshInstance = new MeshInstance();
* meshInstance.SetMesh(mesh);
* meshInstance.CreateTrimeshCollision();
* this.AddChild(meshInstance);
*/
}