/// <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, _cameraAngle, 6.5f /*TODO : Find distance with fov and boundingsphere, when non uniform size will be supported*/, _samplingIterations, _density), ScaleMode.StretchToFill, true);
}
}
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;
}
position.y += EditorGUIUtility.singleLineHeight;
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.Box(drawArea, ((Texture3D)property.objectReferenceValue).RenderTexture3DPreview(drawArea, _cameraAngle, 6.5f /*TODO : Find distance with fov and boundingsphere, when non uniform size will be supported*/, _samplingIterations, _density));
}
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[]
{
"16",
"32",
"64",
"128",
"256",
"512"
}, new[]
{
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, Texture3DPreviewDrawer._notObjectOrTexture3DString, EditorStyles.boldLabel);
}
}
else
{
EditorGUI.LabelField(position, "Texture3D field is empty.", EditorStyles.centeredGreyMiniLabel);
}
}
else
{
EditorGUI.LabelField(position, Texture3DPreviewDrawer._notObjectOrTexture3DString, EditorStyles.boldLabel);
}
}