Terrain material

[Alienhead]

Ability to line pick material on a terrain.

[Josh]

You can get the materials that are in use at any terrain point with these commands:

https://www.leadwerks.com/learn/Terrain_GetLayers
https://www.leadwerks.com/learn/Terrain_GetLayerWeight

[Alienhead]

Any advice on this GetLayers() command?  All I get back is an Read Pixel Out of Bounds error.

Also the docs show sending coords  x and y on a 3d terrain ? Should I be sending x and z?

 

                            local tbl = terrain:GetLayers(self.entity:GetPosition().x, self.entity:GetPosition().z)

[Josh]

The coordinates are the X and Y coordinate of the terrain, not the world position. The lower-left corner of the terrain is coordinate 0, 0.

World position to terrain coordinate is usually something like this:

int x = Round( (pos.x - terrain->resolution.x / 2) / terrain->scale.x );
int y = Round( (pos.z - terrain->resolution.y / 2) / terrain->scale.z );
x = Clamp(x, 0, terrain->resolution.x - 1);
y = Clamp(y, 0, terrain->resolution.y - 1);