private void OnSceneGUI()
{
terrain = target as SplineTerrainGenerator;
handleTransform = terrain.transform;
handleRotation = Tools.pivotRotation == PivotRotation.Local ?
handleTransform.rotation : Quaternion.identity;
Vector3 p0 = ShowPoint(0);
for (int i = 1; i < terrain.ControlPointCount; i += 3)
{
Vector3 p1 = ShowPoint(i);
Vector3 p2 = ShowPoint(i + 1);
Vector3 p3 = ShowPoint(i + 2);
// Draw handle lines
Handles.color = Color.gray;
Handles.DrawLine(p0, p1);
Handles.DrawLine(p2, p3);
// Draw spline
Handles.DrawBezier(p0, p3, p1, p2, Color.white, null, 2f);
p0 = p3;
}
}
public override void OnInspectorGUI()
{
DrawDefaultInspector();
terrain = target as SplineTerrainGenerator;
// If we've selected a spline control point, show its transform in the inspector
if (selectedIndex >= 0 && selectedIndex < terrain.ControlPointCount)
{
DrawSelectedPointInspector();
}
// Button to generate new terrain
if (GUILayout.Button("Generate New Terrain"))
{
Undo.RecordObject(terrain, "Generate New Terrain");
terrain.BuildSpline();
EditorUtility.SetDirty(terrain);
}
// Button to generate new terrain
if (GUILayout.Button("Add Curve"))
{
Undo.RecordObject(terrain, "Add Curve");
terrain.AddCurve(4);
terrain.terrainBlocks += 1;
terrain.BuildMesh();
EditorUtility.SetDirty(terrain);
}
// Button to rebuild the mesh
if (GUILayout.Button("Build Mesh & Collider"))
{
Undo.RecordObject(terrain, "Build Mesh & Collider");
terrain.BuildMesh();
terrain.GenerateCollider();
EditorUtility.SetDirty(terrain);
}
}
