public override void OnInspectorGUI()
{
// Updates all serialized values at the beginning of the function.
serializedObject.Update();
// Get the CustomTerrain script.
CustomTerrain terrain = (CustomTerrain)target;
// Reset the terrain or not before generating a new terrain.
EditorGUILayout.PropertyField(resetTerrain);
// Create horizontal divider (slider) bar.
EditorGUILayout.LabelField("", GUI.skin.horizontalSlider);
// Create a foldout option in the inspector.
showRandom = EditorGUILayout.Foldout(showRandom, "Random");
// Foldout is open.
if (showRandom)
{
// Create horizontal divider (slider) bar.
EditorGUILayout.LabelField("", GUI.skin.horizontalSlider);
// Create a label in the inspector.
GUILayout.Label("Set Heights Between Random Values", EditorStyles.boldLabel);
// Display the property field.
EditorGUILayout.PropertyField(randomHeightRange);
// Generate random terrain height map.
if (GUILayout.Button("Random Heights"))
{
// Create a random terrain.
terrain.RandomTerrain();
}
// Create horizontal divider (slider) bar.
EditorGUILayout.LabelField("", GUI.skin.horizontalSlider);
}
showLoadHeights = EditorGUILayout.Foldout(showLoadHeights, "Load Heights");
if (showLoadHeights)
{
// Create horizontal divider (slider) bar.
EditorGUILayout.LabelField("", GUI.skin.horizontalSlider);
GUILayout.Label("Load Heights From Texture", EditorStyles.boldLabel);
EditorGUILayout.PropertyField(heightMapImage);
EditorGUILayout.PropertyField(heightMapScale);
if (GUILayout.Button("Load Texture"))
{
terrain.LoadTexture();
}
// Create horizontal divider (slider) bar.
EditorGUILayout.LabelField("", GUI.skin.horizontalSlider);
}
showPerlinNoise = EditorGUILayout.Foldout(showPerlinNoise, "Single Perlin Noise");
if (showPerlinNoise)
{
// Create horizontal divider (slider) bar.
EditorGUILayout.LabelField("", GUI.skin.horizontalSlider);
GUILayout.Label("Perlin Noise", EditorStyles.boldLabel);
EditorGUILayout.Slider(perlinXScale, 0, 1, new GUIContent("X Scale"));
EditorGUILayout.Slider(perlinYScale, 0, 1, new GUIContent("Y Scale"));
EditorGUILayout.IntSlider(perlinOffsetX, 0, 10000, new GUIContent("Offset X"));
EditorGUILayout.IntSlider(perlinOffsetY, 0, 10000, new GUIContent("Offset Y"));
EditorGUILayout.IntSlider(perlinOctaves, 0, 10, new GUIContent("Octaves"));
EditorGUILayout.Slider(perlinPersistance, 0, 10, new GUIContent("Persistance"));
EditorGUILayout.Slider(perlinHeightScale, 0, 1, new GUIContent("Height Scale"));
if (GUILayout.Button("Simple Perlin"))
{
terrain.SimplePerlin();
}
if (GUILayout.Button("Fractal Brownian Motion Perlin"))
{
terrain.FractaBrownianMotionPerlin();
}
// Create horizontal divider (slider) bar.
EditorGUILayout.LabelField("", GUI.skin.horizontalSlider);
}
showMultiplePerlinNoise = EditorGUILayout.Foldout(showMultiplePerlinNoise, "Multiple Perlin Noise");
if (showMultiplePerlinNoise)
{
// Create horizontal divider (slider) bar.
EditorGUILayout.LabelField("", GUI.skin.horizontalSlider);
GUILayout.Label("Multiple Perlin Noise", EditorStyles.boldLabel);
perlinParameterTable = GUITableLayout.DrawTable(perlinParameterTable, serializedObject.FindProperty("perlinParameters"));
GUILayout.Space(20);
EditorGUILayout.BeginHorizontal();
if (GUILayout.Button("+"))
{
terrain.AddNewPerlin();
}
if (GUILayout.Button("-"))
{
terrain.RemovePerlin();
}
EditorGUILayout.EndHorizontal();
if (GUILayout.Button("Apply Multiple Perlin"))
{
terrain.MultiplePerlin();
}
// Create horizontal divider (slider) bar.
EditorGUILayout.LabelField("", GUI.skin.horizontalSlider);
}
// Create a foldout option in the inspector.
showVoronoi = EditorGUILayout.Foldout(showVoronoi, "Voronoi");
// Foldout is open.
if (showVoronoi)
{
// Create horizontal divider (slider) bar.
EditorGUILayout.LabelField("", GUI.skin.horizontalSlider);
EditorGUILayout.IntSlider(voronoiPeaks, 1, 10, new GUIContent("Peak Count"));
EditorGUILayout.Slider(voronoiFallOff, 0.0f, 10.0f, new GUIContent("Fall Off"));
EditorGUILayout.Slider(voronoiDropOff, 0.0f, 10.0f, new GUIContent("Drop Off"));
EditorGUILayout.Slider(voronoiMinimumHeight, 0.0f, 1.0f, new GUIContent("Minimum Height"));
EditorGUILayout.Slider(voronoiMaximumHeight, 0.0f, 1.0f, new GUIContent("Maximum Height"));
EditorGUILayout.PropertyField(voronoiType);
// Generate random terrain height map.
if (GUILayout.Button("Voronoi"))
{
// Create a random terrain.
terrain.Voronoi();
}
// Create horizontal divider (slider) bar.
EditorGUILayout.LabelField("", GUI.skin.horizontalSlider);
}
showMidpointDisplacement = EditorGUILayout.Foldout(showMidpointDisplacement, "Midpoint Displacement");
if (showMidpointDisplacement)
{
// Create horizontal divider (slider) bar.
EditorGUILayout.LabelField("", GUI.skin.horizontalSlider);
EditorGUILayout.PropertyField(midpointHeightMinimum);
EditorGUILayout.PropertyField(midpointHeightMaximum);
EditorGUILayout.PropertyField(midpointHeightDampenerPower);
EditorGUILayout.PropertyField(midpointRoughness);
if (GUILayout.Button("Midpoint Displacement"))
{
terrain.MidpointDisplacement();
}
// Create horizontal divider (slider) bar.
EditorGUILayout.LabelField("", GUI.skin.horizontalSlider);
}
showSmooth = EditorGUILayout.Foldout(showSmooth, "Smooth");
if (showSmooth)
{
// Create horizontal divider (slider) bar.
EditorGUILayout.LabelField("", GUI.skin.horizontalSlider);
if (GUILayout.Button("Smooth"))
{
terrain.Smooth();
}
// Create horizontal divider (slider) bar.
EditorGUILayout.LabelField("", GUI.skin.horizontalSlider);
}
// Reset terrain height map to zero.
if (GUILayout.Button("Reset Heights"))
{
// Reset the terrain.
terrain.ResetTerrain();
}
// Apply new changes at the end of the function.
serializedObject.ApplyModifiedProperties();
return;
}
