public GameObject InitRoad(CarPath path)
{
if (path == null)
{
Debug.LogWarning("No path in RoadBuilder::InitRoad");
return(null);
}
if (terToolkit != null && doFlattenAtStart)
{
terToolkit.Flatten();
}
if (terToolkit != null && doGenerateTerrain)
{
terToolkit.PerlinGenerator(1, 0.1f, 10, 0.5f);
//terToolkit.NormaliseTerrain(0.0f, 0.001f, 0.5f);
}
GameObject go = GameObject.Instantiate(roadPrefabMesh);
MeshRenderer mr = go.GetComponent <MeshRenderer>();
MeshFilter mf = go.GetComponent <MeshFilter>();
MeshCollider mc = go.GetComponent <MeshCollider>();
Mesh mesh = new Mesh();
createdRoad = go;
if (customRoadTexure != null)
{
mr.material.mainTexture = customRoadTexure;
}
else if (roadMaterials != null && iRoadMaterial < roadMaterials.Length)
{
Material material = roadMaterials[iRoadMaterial];
if (mr != null && material != null)
{
mr.material = material;
}
}
go.tag = "road_mesh";
int numQuads = path.nodes.Count - 1;
int numVerts = (numQuads + 1) * 2;
int numTris = numQuads * 2;
Vector3[] vertices = new Vector3[numVerts];
int numTriIndecies = numTris * 3;
int[] tri = new int[numTriIndecies];
int numNormals = numVerts;
Vector3[] normals = new Vector3[numNormals];
int numUvs = numVerts;
Vector2[] uv = new Vector2[numUvs];
for (int iN = 0; iN < numNormals; iN++)
{
normals[iN] = Vector3.up;
}
int iNode = 0;
PathNode nodeA;
PathNode nodeB;
Vector3 posA = Vector3.zero;
Vector3 posB = Vector3.zero;
Vector3 vLength = Vector3.one;
Vector3 vWidth = Vector3.one;
path.centerNodes = new List <PathNode>();
for (int iVert = 0; iVert < numVerts; iVert += 2)
{
if (iNode + 1 < path.nodes.Count)
{
nodeA = path.nodes[iNode];
nodeB = path.nodes[iNode + 1];
posA = nodeA.pos;
posB = nodeB.pos;
vLength = posB - posA;
vWidth = Vector3.Cross(vLength, Vector3.up);
if (terToolkit != null && doFlattenArroundRoad && (iVert % 10) == 0)
{
terToolkit.FlattenArround(posA + vWidth.normalized * roadOffsetW, 10.0f, 30.0f);
}
if (doLiftRoadToTerrain)
{
posA.y = terrain.SampleHeight(posA) + 1.0f;
}
posA.y += roadHeightOffset;
}
else
{
nodeA = path.nodes[iNode];
nodeB = path.nodes[0];
posA = nodeA.pos;
posB = nodeB.pos;
posA.y += roadHeightOffset;
}
Vector3 leftPos = posA + vWidth.normalized * roadWidth + vWidth.normalized * roadOffsetW;
Vector3 rightPos = posA - vWidth.normalized * roadWidth + vWidth.normalized * roadOffsetW;
PathNode centerNode = new PathNode();
centerNode.pos = (leftPos + rightPos) / 2;
centerNode.rotation = nodeA.rotation;
path.centerNodes.Add(centerNode);
vertices[iVert] = leftPos;
vertices[iVert + 1] = rightPos;
uv[iVert] = new Vector2(0.2f * iNode, 0.0f);
uv[iVert + 1] = new Vector2(0.2f * iNode, 1.0f);
iNode++;
}
int iVertOffset = 0;
int iTriOffset = 0;
for (int iQuad = 0; iQuad < numQuads; iQuad++)
{
tri[0 + iTriOffset] = 0 + iVertOffset;
tri[1 + iTriOffset] = 2 + iVertOffset;
tri[2 + iTriOffset] = 1 + iVertOffset;
tri[3 + iTriOffset] = 2 + iVertOffset;
tri[4 + iTriOffset] = 3 + iVertOffset;
tri[5 + iTriOffset] = 1 + iVertOffset;
iVertOffset += 2;
iTriOffset += 6;
}
mesh.vertices = vertices;
mesh.triangles = tri;
mesh.normals = normals;
mesh.uv = uv;
mesh.Optimize();
mesh.RecalculateBounds();
mf.mesh = mesh;
mc.sharedMesh = mesh; // once the mesh is created, asign it to the mesh collider
if (terToolkit != null && doErodeTerrain)
{
//terToolkit.FastThermalErosion(20, 0.0f, 0.0f); //creates pits
//terToolkit.FastHydraulicErosion(100, 1.0f, 0.0f); //creates washouts
//terToolkit.FullHydraulicErosion(1, 10.0f, 1.0f, .3f, 2.0f);
terToolkit.SmoothTerrain(10, 1.0f);
if (doFlattenArroundRoad)
{
foreach (PathNode n in path.nodes)
{
terToolkit.FlattenArround(n.pos, 8.0f, 10.0f);
}
}
float[] slopeStops = new float[2];
float[] heightStops = new float[2];
slopeStops[0] = 1.0f;
slopeStops[1] = 2.0f;
heightStops[0] = 4.0f;
heightStops[1] = 10.0f;
//terToolkit.TextureTerrain(slopeStops, heightStops, textures);
}
return(go);
}
public void InitRoad(CarPath path)
{
if (terToolkit != null && doFlattenAtStart)
{
terToolkit.Flatten();
}
if (terToolkit != null && doGenerateTerrain)
{
terToolkit.PerlinGenerator(1, 0.1f, 10, 0.5f);
//terToolkit.NormaliseTerrain(0.0f, 0.001f, 0.5f);
}
GameObject go = GameObject.Instantiate(roadPrefabMesh);
MeshFilter mf = go.GetComponent <MeshFilter>();
Mesh mesh = new Mesh();
mf.mesh = mesh;
go.tag = "road_mesh";
int numQuads = path.nodes.Count - 1;
int numVerts = (numQuads + 1) * 2;
int numTris = numQuads * 2;
Vector3[] vertices = new Vector3[numVerts];
int numTriIndecies = numTris * 3;
int[] tri = new int[numTriIndecies];
int numNormals = numVerts;
Vector3[] normals = new Vector3[numNormals];
int numUvs = numVerts;
Vector2[] uv = new Vector2[numUvs];
for (int iN = 0; iN < numNormals; iN++)
{
normals[iN] = Vector3.up;
}
int iNode = 0;
Vector3 posA = Vector3.zero;
Vector3 posB = Vector3.zero;
Vector3 vLength = Vector3.one;
Vector3 vWidth = Vector3.one;
for (int iVert = 0; iVert < numVerts; iVert += 2)
{
if (iNode + 1 < path.nodes.Count)
{
PathNode nodeA = path.nodes[iNode];
PathNode nodeB = path.nodes[iNode + 1];
posA = nodeA.pos;
posB = nodeB.pos;
vLength = posB - posA;
vWidth = Vector3.Cross(vLength, Vector3.up);
if (terToolkit != null && doFlattenArroundRoad && (iVert % 10) == 0)
{
terToolkit.FlattenArround(posA + vWidth.normalized * roadOffsetW, 10.0f, 30.0f);
}
if (doLiftRoadToTerrain)
{
posA.y = terrain.SampleHeight(posA) + 1.0f;
}
posA.y += roadHeightOffset;
}
else
{
PathNode nodeA = path.nodes[iNode];
posA = nodeA.pos;
posA.y += roadHeightOffset;
}
Vector3 leftPos = posA + vWidth.normalized * roadWidth + vWidth.normalized * roadOffsetW;
Vector3 rightPos = posA - vWidth.normalized * roadWidth + vWidth.normalized * roadOffsetW;
vertices[iVert] = leftPos;
vertices[iVert + 1] = rightPos;
uv[iVert] = new Vector2(0.2f * iNode, 0.0f);
uv[iVert + 1] = new Vector2(0.2f * iNode, 1.0f);
iNode++;
}
int iVertOffset = 0;
int iTriOffset = 0;
for (int iQuad = 0; iQuad < numQuads; iQuad++)
{
tri[0 + iTriOffset] = 0 + iVertOffset;
tri[1 + iTriOffset] = 2 + iVertOffset;
tri[2 + iTriOffset] = 1 + iVertOffset;
tri[3 + iTriOffset] = 2 + iVertOffset;
tri[4 + iTriOffset] = 3 + iVertOffset;
tri[5 + iTriOffset] = 1 + iVertOffset;
iVertOffset += 2;
iTriOffset += 6;
}
mesh.vertices = vertices;
mesh.triangles = tri;
mesh.normals = normals;
mesh.uv = uv;
mesh.RecalculateBounds();
if (terToolkit != null && doErodeTerrain)
{
//terToolkit.FastThermalErosion(20, 0.0f, 0.0f); //creates pits
//terToolkit.FastHydraulicErosion(100, 1.0f, 0.0f); //creates washouts
//terToolkit.FullHydraulicErosion(1, 10.0f, 1.0f, .3f, 2.0f);
terToolkit.SmoothTerrain(10, 1.0f);
if (doFlattenArroundRoad)
{
foreach (PathNode n in path.nodes)
{
terToolkit.FlattenArround(n.pos, 8.0f, 10.0f);
}
}
float[] slopeStops = new float[2];
float[] heightStops = new float[2];
slopeStops[0] = 1.0f;
slopeStops[1] = 2.0f;
heightStops[0] = 4.0f;
heightStops[1] = 10.0f;
//terToolkit.TextureTerrain(slopeStops, heightStops, textures);
}
}
public void InitRoad(CarPath path)
{
if (terToolkit != null && doFlattenAtStart)
{
terToolkit.Flatten();
}
if (terToolkit != null && doGenerateTerrain)
{
terToolkit.PerlinGenerator(1, 0.1f, 10, 0.5f);
//terToolkit.NormaliseTerrain(0.0f, 0.001f, 0.5f);
}
GameObject go = GameObject.Instantiate(roadPrefabMesh);
MeshRenderer mr = go.GetComponent <MeshRenderer>();
MeshFilter mf = go.GetComponent <MeshFilter>();
Mesh mesh = new Mesh();
mf.mesh = mesh;
createdRoad = go;
if (customRoadTexure != null)
{
mr.material.mainTexture = customRoadTexure;
}
else if (roadTextures != null && iRoadTexture < roadTextures.Length)
{
Texture2D t = roadTextures[iRoadTexture];
if (mr != null && t != null)
{
mr.material.mainTexture = t;
}
}
go.tag = "road_mesh";
int numQuads = path.nodes.Count - 1; // two points can decide one quad, each quad is composed by two triangles, two quads needs 3*2=6 vertices, vertices num is the same as uv's
int numVerts = (numQuads + 1) * 2;
int numTris = numQuads * 2;
Vector3[] vertices = new Vector3[numVerts];
int numTriIndecies = numTris * 3;
int[] tri = new int[numTriIndecies];
int numNormals = numVerts;
Vector3[] normals = new Vector3[numNormals];
int numUvs = numVerts;
Vector2[] uv = new Vector2[numUvs];
for (int iN = 0; iN < numNormals; iN++)
{
normals[iN] = Vector3.up;
}
int iNode = 0;
Vector3 posA = Vector3.zero; //first point
Vector3 posB = Vector3.zero; //second point
Vector3 vLength = Vector3.one; // the road length between two points
Vector3 vWidth = Vector3.one; // the road width
for (int iVert = 0; iVert < numVerts; iVert += 2)
{
PathNode nodeA;
PathNode nodeB;
if (iNode + 1 < path.nodes.Count)
{
nodeA = path.nodes[iNode];
nodeB = path.nodes[iNode + 1];
posA = nodeA.pos;
posB = nodeB.pos;
vLength = posB - posA;
vWidth = Vector3.Cross(vLength, Vector3.up); // width's half value equals the length
if (terToolkit != null && doFlattenArroundRoad && (iVert % 10) == 0)
{
terToolkit.FlattenArround(posA + vWidth.normalized * roadOffsetW, 10.0f, 30.0f);
}
if (doLiftRoadToTerrain)
{
posA.y = terrain.SampleHeight(posA) + 1.0f;
}
posA.y += roadHeightOffset;
}
else
{
nodeA = path.nodes[iNode];
posA = nodeA.pos;
posA.y += roadHeightOffset;
}
Vector3 placeTmp = posA + vWidth.normalized * nodeA.thing_offset;
placeTmp.y = placeTmp.y + 0.3f;
if (nodeA.thing == "cone")
{
GameObject coneO = Instantiate(cone, placeTmp, nodeA.thing_rot) as GameObject;
coneO.AddComponent <Rigidbody>();
coneO.AddComponent <BoxCollider>();
coneO.tag = "pathNode";
}
else if (nodeA.thing == "block")
{
GameObject blockO = Instantiate(block, placeTmp, nodeA.thing_rot) as GameObject;
blockO.AddComponent <Rigidbody>();
blockO.AddComponent <BoxCollider>();
blockO.tag = "pathNode";
}
Vector3 leftPos = posA + vWidth.normalized * roadWidth + vWidth.normalized * roadOffsetW; // left side in the road of first point, roadOffsetW means how far from the middle
Vector3 rightPos = posA - vWidth.normalized * roadWidth + vWidth.normalized * roadOffsetW; // right side in the road of first point
vertices[iVert] = leftPos;
vertices[iVert + 1] = rightPos;
uv[iVert] = new Vector2(0.2f * iNode, 0.0f);
uv[iVert + 1] = new Vector2(0.2f * iNode, 1.0f);
iNode++;
}
int iVertOffset = 0;
int iTriOffset = 0;
for (int iQuad = 0; iQuad < numQuads; iQuad++) // the triangle points are left and right points of the road, but the texture is related to quads
{
tri[0 + iTriOffset] = 0 + iVertOffset;
tri[1 + iTriOffset] = 2 + iVertOffset;
tri[2 + iTriOffset] = 1 + iVertOffset;
tri[3 + iTriOffset] = 2 + iVertOffset;
tri[4 + iTriOffset] = 3 + iVertOffset;
tri[5 + iTriOffset] = 1 + iVertOffset;
iVertOffset += 2;
iTriOffset += 6;
}
mesh.vertices = vertices;
mesh.triangles = tri;
mesh.normals = normals;
mesh.uv = uv;
mesh.RecalculateBounds();
if (terToolkit != null && doErodeTerrain)
{
//terToolkit.FastThermalErosion(20, 0.0f, 0.0f); //creates pits
//terToolkit.FastHydraulicErosion(100, 1.0f, 0.0f); //creates washouts
//terToolkit.FullHydraulicErosion(1, 10.0f, 1.0f, .3f, 2.0f);
terToolkit.SmoothTerrain(10, 1.0f);
if (doFlattenArroundRoad)
{
foreach (PathNode n in path.nodes)
{
terToolkit.FlattenArround(n.pos, 8.0f, 10.0f);
}
}
float[] slopeStops = new float[2];
float[] heightStops = new float[2];
slopeStops[0] = 1.0f;
slopeStops[1] = 2.0f;
heightStops[0] = 4.0f;
heightStops[1] = 10.0f;
//terToolkit.TextureTerrain(slopeStops, heightStops, textures);
}
}
