private Vector3 CalculateQuadPosition(MeshDataset dataset, GameObject quad, Vector4 face)
{
Vector3 position = Vector3.zero;
for (int vertIndex = 0; vertIndex < 4; vertIndex++)
{
int datasetVertIndex = Mathf.RoundToInt(face[vertIndex]);
position += dataset.vertices[datasetVertIndex];
}
return(position / 4.0f);
}
private Vector3 CalculateQuadNormal(MeshDataset dataset, GameObject quad, Vector4 face)
{
List <Vector3> datasetVertices = new List <Vector3>();
for (int vertIndex = 0; vertIndex < 4; vertIndex++)
{
int datasetVertIndex = Mathf.RoundToInt(face[vertIndex]);
datasetVertices.Add(dataset.vertices[datasetVertIndex]);
}
return(Vector3.Cross(datasetVertices[1] - datasetVertices[0], datasetVertices[2] - datasetVertices[1]));
}
private void ApplyMaterial(MeshDataset dataset, GameObject quad, Vector4 face, Vector3 normal)
{
Color color = dataset.colors[Mathf.RoundToInt(face[0])];
Renderer renderer = quad.GetComponentInChildren <Renderer>();
for (int i = 0; i < materials.Length; i++)
{
Color paletteColor = palette.GetPixel(i, 0) * 255;
if (paletteColor.r == color.r && paletteColor.g == color.g && paletteColor.b == color.b)
{
renderer.sharedMaterial = materials[i];
break;
}
}
}
public GameObject GenerateMesh(string meshFile, string meshName, Vector3 scale)
{
MeshDataset dataset = new MeshDataset(meshFile);
Vector3 max = new Vector3(int.MinValue, int.MinValue, int.MinValue);
Vector3 min = new Vector3(int.MaxValue, int.MaxValue, int.MaxValue);
// Creates root object to hold all the instantiated quads
GameObject rootObject = new GameObject();
rootObject.name = meshName;
for (int faceIdx = 0; faceIdx < dataset.numFaces; faceIdx++)
{
Vector4 face = dataset.faces[faceIdx];
GameObject quad = GameObject.Instantiate(quadToInstantiate, rootObject.transform, true) as GameObject;
quad.transform.parent = rootObject.transform;
Vector3 normal = CalculateQuadNormal(dataset, quad, face);
quad.transform.position = CalculateQuadPosition(dataset, quad, face);
quad.transform.localRotation = CalculateQuadRotation(normal);
ApplyMaterial(dataset, quad, face, normal);
min = Vector3.Min(min, quad.transform.position);
max = Vector3.Max(max, quad.transform.position);
}
rootObject.transform.localScale = scale;
MeshProperties mp = rootObject.AddComponent <MeshProperties>();
mp.min = Vector3.Scale(min, scale);
mp.max = Vector3.Scale(max, scale);
rootObject.tag = "LevelRoot";
BoxCollider nextLevelTrigger = rootObject.AddComponent <BoxCollider>();
nextLevelTrigger.size = new Vector3(10, 2, 10);
nextLevelTrigger.isTrigger = true;
return(rootObject);
}
