public void drawCityRoads (Vector3 a, Vector3 b){
// Vector2 aa = new Vector2 (a.x * heightMapSize/terrainSize, a.z * heightMapSize/terrainSize);
// Vector2 bb = new Vector2 (b.x * heightMapSize/terrainSize, b.z * heightMapSize/terrainSize);
List<Vector2> roadMesh = new List<Vector2> ();
Vector2 aa = new Vector2 (a.x, a.z);
Vector2 bb = new Vector2 (b.x, b.z);
if (Mathf.Abs(aa.x-bb.x)<0.2f) {
float leftx = aa.x - 5f;
float rightx = aa.x + 5f;
float ny = Mathf.Min (aa.y, bb.y)-5f;
float maxy = Mathf.Max (aa.y, bb.y)+5f;
while (ny<maxy) {
roadMesh.Add (new Vector2 (leftx, ny));
roadMesh.Add (new Vector2 (rightx, ny));
ny += 5f;
}
roadMesh.Add (new Vector2 (leftx, maxy));
roadMesh.Add (new Vector2 (rightx, maxy));
}
if (Mathf.Abs(bb.y - aa.y)<0.2f) {
float lefty = aa.y - 5f;
float righty = aa.y + 5f;
float nx = Mathf.Min (aa.x, bb.x)-5f;
float maxx = Mathf.Max (aa.x, bb.x)+5f;
while (nx<maxx) {
roadMesh.Add (new Vector2 (nx, righty));
roadMesh.Add (new Vector2 (nx, lefty));
//Debug.DrawLine(new Vector3(nx,1000f,righty),new Vector3(nx,1000f,lefty),Color.red,350.0f);
nx += 5f;
}
roadMesh.Add (new Vector2 (maxx, righty));
roadMesh.Add (new Vector2 (maxx, lefty));
}
PathGenerator2 pathGenerator = new PathGenerator2 ();
pathGenerator.texture = roadTexture;
pathGenerator.height = 0.5f;
pathGenerator.generate (roadMesh);
}
public void generate2(Vector2[] points,int volume, float dist)
{
if (points.Length >= 4) {
// throw new ArgumentException("CatmullRomSpline requires at least 4 points", "points");
List<Vector2> splinePoints = new List<Vector2> ();
for (int i = 0; i < points.Length - 3; i++) {
float dist2 = Mathf.Pow ((points [i + 1].x - points [i + 2].x), 2) + Mathf.Pow ((points [i + 1].y - points [i + 2].y), 2);
dist2 = Mathf.Pow (dist2, 0.5f);
int numPoints = Mathf.Max ((int)(dist2 / dist), 1);
for (int j = 0; j< numPoints; j++) {
splinePoints.Add (pointOnCurve (points [i], points [i + 1], points [i + 2], points [i + 3], (1f / numPoints) * j));
}
}
splinePoints.Add (points [points.Length - 2]);
Vector2[] edgePoints = edgePointsOnCurve (splinePoints.ToArray (), volume);
PathGenerator2 pathGenerator = new PathGenerator2();
pathGenerator.pathShader = pathShader;
pathGenerator.texture = roadTexture;
pathGenerator.height = 0.5f;
pathGenerator.generate (new List<Vector2>(edgePoints));
}
}
public void Generate(Spline[] points, float dist)
{
if (points.Length >= 4) {
// throw new ArgumentException("CatmullRomSpline requires at least 4 points", "points");
List<Spline> splinePoints = new List<Spline> ();
for (int i = 0; i < points.Length - 3; i++) {
float dist2 = Mathf.Pow ((points [i + 1].point.x - points [i + 2].point.x), 2) + Mathf.Pow ((points [i + 1].point.y - points [i + 2].point.y), 2);
dist2 = Mathf.Pow (dist2, 0.5f);
int numPoints = Mathf.Max((int)(dist2 / dist),1);
for (int j = 0; j< numPoints; j++) {
Spline sp = new Spline ();
sp.point = pointOnCurve (points [i].point, points [i + 1].point, points [i + 2].point, points [i + 3].point, (1f/numPoints) * j);
sp.volume = ((float )(points [i + 2].volume - points [i + 1].volume) * j / numPoints) + points [i + 1].volume;
splinePoints.Add (sp);
}
}
Spline spl = new Spline ();
spl.point = points [points.Length - 2].point;
spl.volume = points [points.Length - 2].volume;
splinePoints.Add (spl);
Vector2[] edgePoints = edgePointsOnCurve (splinePoints.ToArray ());
// Vector2[]edgePoints=new Vector2[splinePoints.Count];
// for (int i=0; i<splinePoints.Count;i++)
// {
// edgePoints[i]=splinePoints[i].point;
// }
// Vector2[]edgePoints=new Vector2[points.Length];
// for (int i=0; i<points.Length;i++)
// {
// edgePoints[i]=points[i].point;
// }
for (int i=0; i<edgePoints.Length; i++){
edgePoints[i].x *= (float)terrainSize / heightMapSize;
edgePoints[i].y *= (float)terrainSize / heightMapSize;
}
PathGenerator2 pathGenerator = new PathGenerator2();
pathGenerator.pathShader = pathShader;
pathGenerator.texture = riverTexture;
pathGenerator.height = 0.3f;
pathGenerator.generate (new List<Vector2>(edgePoints));
// for(int i=1;i<edgePoints.Length;i++)
// {
//
// float beginY= edgePoints[i].x;// * terrainSize / heightMapSize;// - terrainSize/2;
// float beginX = edgePoints[i].y;// * terrainSize / heightMapSize;//- terrainSize/2;
// float endY = edgePoints[i-1].x;// * terrainSize / heightMapSize;//-terrainSize/2;
// float endX = edgePoints[i-1].y;// * terrainSize / heightMapSize;//- terrainSize/2;
//
// Debug.DrawLine (new Vector3 (beginX, Terrain.activeTerrain.SampleHeight(new Vector3(beginX,0.0f,beginY)) + 10.0f, beginY), new Vector3 (endX, Terrain.activeTerrain.SampleHeight(new Vector3(endX, 0.0f, endY))+10.0f, endY), Color.red, 1000.0f);
// }
}
}
