/// <summary>
/// Draws the preview area
/// </summary>
/// <param name="rect">The area of the preview window</param>
/// <param name="backgroundStyle">The default GUIStyle used for preview windows</param>
public override void OnPreviewGUI(Rect rect, GUIStyle backgroundStyle)
{
_cameraAngle = PreviewRenderUtilityHelpers.DragToAngles(_cameraAngle, rect);
if (Event.current.type == EventType.Repaint)
{
GUI.DrawTexture(rect, ((Texture3D)serializedObject.targetObject).RenderTexture3DPreview(rect, EditorStyles.helpBox, _cameraAngle, 6.5f /*TODO : Find distance with fov and boundingsphere, when non uniform size will be supported*/, _samplingIterations, _density), ScaleMode.StretchToFill, true);
}
}
/// <summary>
/// Fills drawer area
/// </summary>
/// <param name="position">The area of the drawer</param>
/// <param name="property">The drawn object</param>
/// <param name="label">The "made readable" name of the object (as would be seen in the Insprector)</param>
public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
{
if (CheckIfObjectType(property))
{
if (ShowField)
{
Rect rect = position;
rect.height = EditorGUIUtility.singleLineHeight;
EditorGUI.ObjectField(rect, property, typeof(Texture3D));
position.y += EditorGUIUtility.singleLineHeight;
}
if (!CheckIfNull(property))
{
if (CheckIfTexture3D(property))
{
if (Event.current.type == EventType.Layout)
{
return;
}
int size = ComputePreviewSize((int)position.x * 2);
Rect drawArea = position;
drawArea.width = size;
drawArea.height = drawArea.width;
drawArea.x += position.width * 0.5f - drawArea.width * 0.5f;
_cameraAngle = PreviewRenderUtilityHelpers.DragToAngles(_cameraAngle, drawArea);
if (Event.current.type == EventType.Repaint)
{
GUI.DrawTexture(drawArea, ((Texture3D)property.objectReferenceValue).RenderTexture3DPreview(drawArea, EditorStyles.helpBox, _cameraAngle, 6.5f /*TODO : Find distance with fov and boundingsphere, when non uniform size will be supported*/, _samplingIterations, _density), ScaleMode.StretchToFill, true);
}
Rect rect = drawArea;
rect.y += drawArea.height;
rect.height = EditorGUIUtility.singleLineHeight;
rect.width = 100; // TODO : not use magic numbers
if (GUI.Button(rect, "Reset Camera", EditorStyles.miniButton))
{
ResetPreviewCameraAngle();
}
rect.x += rect.width;
rect.width = 60; // TODO : not use magic numbers
EditorGUI.LabelField(rect, "Quality :");
rect.x += rect.width;
_samplingIterations = EditorGUI.IntPopup(rect, _samplingIterations, new string[] { "16", "32", "64", "128", "256", "512" }, new int[] { 16, 32, 64, 128, 256, 512 });
rect.x += rect.width;
rect.width = 60; // TODO : not use magic numbers
EditorGUI.LabelField(rect, "Density :");
rect.x += rect.width;
rect.width = drawArea.width - 280; // TODO : not use magic numbers
_density = EditorGUI.Slider(rect, _density, 0, 5);
}
else
{
EditorGUI.LabelField(position, label.text, _notObjectOrTexture3DString, EditorStyles.boldLabel);
}
}
else
{
EditorGUI.LabelField(position, label.text, "Texture3D field is empty.", EditorStyles.boldLabel);
}
}
else
{
EditorGUI.LabelField(position, label.text, _notObjectOrTexture3DString, EditorStyles.boldLabel);
}
}