private List <Vector2> GetUVMapping(List <Vector3> planeVerticies)
{
TransformHelpers th = new TransformHelpers();
float textureHeight = 1;
float textureWidth = 1;
float xTiling = 1f;
float yTiling = 1f;
//The uv tiling also has to factor in the height and width of the textures we are using
if (settings.MainMaterial != null && settings.MainMaterial.mainTexture != null)
{
textureHeight = settings.MainMaterial.mainTexture.height;
textureWidth = settings.MainMaterial.mainTexture.width;
}
if (settings.TopMaterial != null && settings.TopMaterial.mainTexture != null)
{
textureHeight = settings.TopMaterial.mainTexture.height;
textureWidth = settings.TopMaterial.mainTexture.width;
}
if (settings.DetailMaterial != null && settings.DetailMaterial.mainTexture != null)
{
textureHeight = settings.DetailMaterial.mainTexture.height;
textureWidth = settings.DetailMaterial.mainTexture.width;
}
//Set our tiling depending on the plane
if (PlaneType == Plane.Front)
{
xTiling = settings.MainMaterialXTiling;
yTiling = settings.MainMaterialYTiling;
}
if (PlaneType == Plane.Top)
{
xTiling = settings.TopMaterialXTiling;
yTiling = settings.TopMaterialYTiling;
}
if (PlaneType == Plane.Detail)
{
xTiling = settings.DetailMaterialXTiling;
yTiling = settings.DetailMaterialYTiling;
}
//Tile the texture as needed
textureWidth = textureWidth / xTiling;
textureHeight = textureHeight / yTiling;
//Track how far along we are on the top texture mapping
float currentTopTextureX = 0;
List <Vector2> uvs = new List <Vector2>();
for (int i = 0; i < planeVerticies.Count; i++)
{
Vector3 vertex = planeVerticies[i];
Vector3 previousVertex = Vector3.zero;
if (i > 0)
{
previousVertex = planeVerticies[i - 1];
}
//Our standard uv mapping is just our point in space divided by the width and the height of our texture (assuming an x/y plane)
float xMapping = vertex.x / textureWidth;
float yMapping = vertex.y / textureHeight;
if (PlaneType == Plane.Top)
{
//We have to factor in the rise in y (from the lowest point in the list to our current point), as well as the x movement across
//in our uv mapping. This is because this is not a flat plane
//The first time through, set our current x position based off the vertex
if (currentTopTextureX == 0)
{
currentTopTextureX = vertex.x;
}
xMapping = (currentTopTextureX) / textureWidth;
//After that, increment it by the length of the line between the two points (which includes the movement in the x and y plane) in the uv mapping
if (previousVertex != Vector3.zero)
{
float length = GetLengthOfLine(vertex, previousVertex);
currentTopTextureX += length;
xMapping = (currentTopTextureX) / textureWidth;
}
//For the y mapping, since we are in the z plane divide the texture height by z instead of y.
yMapping = vertex.z / textureHeight;
}
//If we want the uv mapping to follow the curve of the plane instead, set it here
if (PlaneType == Plane.Front && settings.MainPlaneFollowTerrainCurve)
{
if (i % 2 == 0)
{
yMapping = -settings.MainPlaneHeight / textureHeight;
}
else
{
yMapping = 1;
}
}
if (PlaneType == Plane.Detail && settings.DetailPlaneFollowTerrainCurve)
{
if (i % 2 == 0)
{
yMapping = -settings.DetailPlaneHeight / textureHeight;
}
else
{
yMapping = 1;
}
}
//Finally set the actual uv mapping
Vector2 uv = new Vector2(xMapping, yMapping);
//Now set the rotation of the uv mapping
if (settings.MainMaterialRotation != 0 && PlaneType == Plane.Front)
{
uv = th.RotateVertex(uv, settings.MainMaterialRotation);
}
if (settings.DetailMaterialRotation != 0 && PlaneType == Plane.Detail)
{
uv = th.RotateVertex(uv, settings.DetailMaterialRotation);
}
if (settings.TopMaterialRotation != 0 && PlaneType == Plane.Top)
{
uv = th.RotateVertex(uv, settings.TopMaterialRotation);
}
uvs.Add(uv);
}
return(uvs);
}
private List<Vector2> GetUVMapping(List<Vector3> planeVerticies)
{
TransformHelpers th = new TransformHelpers();
float textureHeight = 1;
float textureWidth = 1;
float xTiling = 1f;
float yTiling = 1f;
//The uv tiling also has to factor in the height and width of the textures we are using
if (settings.MainMaterial!= null && settings.MainMaterial.mainTexture != null){
textureHeight = settings.MainMaterial.mainTexture.height;
textureWidth = settings.MainMaterial.mainTexture.width;
}
if (settings.TopMaterial !=null && settings.TopMaterial.mainTexture != null)
{
textureHeight = settings.TopMaterial.mainTexture.height;
textureWidth = settings.TopMaterial.mainTexture.width;
}
if (settings.DetailMaterial != null && settings.DetailMaterial.mainTexture != null)
{
textureHeight = settings.DetailMaterial.mainTexture.height;
textureWidth = settings.DetailMaterial.mainTexture.width;
}
//Set our tiling depending on the plane
if (PlaneType == Plane.Front)
{
xTiling = settings.MainMaterialXTiling;
yTiling = settings.MainMaterialYTiling;
}
if (PlaneType == Plane.Top)
{
xTiling = settings.TopMaterialXTiling;
yTiling = settings.TopMaterialYTiling;
}
if (PlaneType == Plane.Detail)
{
xTiling = settings.DetailMaterialXTiling;
yTiling = settings.DetailMaterialYTiling;
}
//Tile the texture as needed
textureWidth = textureWidth / xTiling;
textureHeight = textureHeight / yTiling;
//Track how far along we are on the top texture mapping
float currentTopTextureX = 0;
List<Vector2> uvs = new List<Vector2>();
for (int i = 0; i < planeVerticies.Count; i++)
{
Vector3 vertex = planeVerticies[i];
Vector3 previousVertex = Vector3.zero;
if (i > 0)
{
previousVertex = planeVerticies[i - 1];
}
//Our standard uv mapping is just our point in space divided by the width and the height of our texture (assuming an x/y plane)
float xMapping = vertex.x / textureWidth;
float yMapping = vertex.y / textureHeight;
if (PlaneType == Plane.Top)
{
//We have to factor in the rise in y (from the lowest point in the list to our current point), as well as the x movement across
//in our uv mapping. This is because this is not a flat plane
//The first time through, set our current x position based off the vertex
if (currentTopTextureX == 0) { currentTopTextureX = vertex.x; }
xMapping = (currentTopTextureX) / textureWidth;
//After that, increment it by the length of the line between the two points (which includes the movement in the x and y plane) in the uv mapping
if (previousVertex != Vector3.zero)
{
float length = GetLengthOfLine(vertex, previousVertex);
currentTopTextureX += length;
xMapping = (currentTopTextureX) / textureWidth;
}
//For the y mapping, since we are in the z plane divide the texture height by z instead of y.
yMapping = vertex.z / textureHeight;
}
//If we want the uv mapping to follow the curve of the plane instead, set it here
if (PlaneType == Plane.Front && settings.MainPlaneFollowTerrainCurve)
{
if (i % 2 == 0)
{
yMapping = -settings.MainPlaneHeight / textureHeight;
}
else
{
yMapping = 1;
}
}
if (PlaneType == Plane.Detail && settings.DetailPlaneFollowTerrainCurve)
{
if (i % 2 == 0)
{
yMapping = -settings.DetailPlaneHeight / textureHeight;
}
else
{
yMapping = 1;
}
}
//Finally set the actual uv mapping
Vector2 uv = new Vector2(xMapping, yMapping);
//Now set the rotation of the uv mapping
if (settings.MainMaterialRotation != 0 && PlaneType == Plane.Front)
{
uv = th.RotateVertex(uv, settings.MainMaterialRotation);
}
if (settings.DetailMaterialRotation != 0 && PlaneType == Plane.Detail)
{
uv = th.RotateVertex(uv, settings.DetailMaterialRotation);
}
if (settings.TopMaterialRotation != 0 && PlaneType == Plane.Top)
{
uv = th.RotateVertex(uv, settings.TopMaterialRotation);
}
uvs.Add(uv);
}
return uvs;
}
