protected override void OnSceneGUI()
{
m_SerializedAdditionalLightData.Update();
HDAdditionalLightData src = (HDAdditionalLightData)m_SerializedAdditionalLightData.targetObject;
Light light = (Light)target;
Color wireframeColorAbove = light.enabled ? LightEditor.kGizmoLight : LightEditor.kGizmoDisabledLight;
Color handleColorAbove = CoreLightEditorUtilities.GetLightHandleColor(wireframeColorAbove);
Color wireframeColorBehind = CoreLightEditorUtilities.GetLightBehindObjectWireframeColor(wireframeColorAbove);
Color handleColorBehind = CoreLightEditorUtilities.GetLightHandleColor(wireframeColorBehind);
switch (src.lightTypeExtent)
{
case LightTypeExtent.Punctual:
switch (light.type)
{
case LightType.Directional:
case LightType.Point:
base.OnSceneGUI(); //use legacy handles
break;
case LightType.Spot:
switch (src.spotLightShape)
{
case SpotLightShape.Cone:
CoreLightEditorUtilities.DrawSpotlightGizmo(light, src.GetInnerSpotPercent01(), true);
break;
case SpotLightShape.Pyramid:
using (new Handles.DrawingScope(Matrix4x4.TRS(light.transform.position, light.transform.rotation, Vector3.one)))
{
Vector4 aspectFovMaxRangeMinRange = new Vector4(src.aspectRatio, light.spotAngle, light.range);
Handles.zTest = UnityEngine.Rendering.CompareFunction.Greater;
Handles.color = wireframeColorBehind;
CoreLightEditorUtilities.DrawPyramidFrustumWireframe(aspectFovMaxRangeMinRange);
Handles.zTest = UnityEngine.Rendering.CompareFunction.LessEqual;
Handles.color = wireframeColorAbove;
CoreLightEditorUtilities.DrawPyramidFrustumWireframe(aspectFovMaxRangeMinRange);
EditorGUI.BeginChangeCheck();
Handles.zTest = UnityEngine.Rendering.CompareFunction.Greater;
Handles.color = handleColorBehind;
aspectFovMaxRangeMinRange = CoreLightEditorUtilities.DrawPyramidFrustumHandle(aspectFovMaxRangeMinRange, false);
Handles.zTest = UnityEngine.Rendering.CompareFunction.LessEqual;
Handles.color = handleColorAbove;
aspectFovMaxRangeMinRange = CoreLightEditorUtilities.DrawPyramidFrustumHandle(aspectFovMaxRangeMinRange, false);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObjects(new UnityEngine.Object[] { target, src }, "Adjust Pyramid Spot Light");
src.aspectRatio = aspectFovMaxRangeMinRange.x;
light.spotAngle = aspectFovMaxRangeMinRange.y;
light.range = aspectFovMaxRangeMinRange.z;
}
// Handles.color reseted at end of scope
}
break;
case SpotLightShape.Box:
using (new Handles.DrawingScope(Matrix4x4.TRS(light.transform.position, light.transform.rotation, Vector3.one)))
{
Vector4 widthHeightMaxRangeMinRange = new Vector4(src.shapeWidth, src.shapeHeight, light.range);
Handles.zTest = UnityEngine.Rendering.CompareFunction.Greater;
Handles.color = wireframeColorBehind;
CoreLightEditorUtilities.DrawOrthoFrustumWireframe(widthHeightMaxRangeMinRange);
Handles.zTest = UnityEngine.Rendering.CompareFunction.LessEqual;
Handles.color = wireframeColorAbove;
CoreLightEditorUtilities.DrawOrthoFrustumWireframe(widthHeightMaxRangeMinRange);
EditorGUI.BeginChangeCheck();
Handles.zTest = UnityEngine.Rendering.CompareFunction.Greater;
Handles.color = handleColorBehind;
widthHeightMaxRangeMinRange = CoreLightEditorUtilities.DrawOrthoFrustumHandle(widthHeightMaxRangeMinRange, false);
Handles.zTest = UnityEngine.Rendering.CompareFunction.LessEqual;
Handles.color = handleColorAbove;
widthHeightMaxRangeMinRange = CoreLightEditorUtilities.DrawOrthoFrustumHandle(widthHeightMaxRangeMinRange, false);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObjects(new UnityEngine.Object[] { target, src }, "Adjust Box Spot Light");
src.shapeWidth = widthHeightMaxRangeMinRange.x;
src.shapeHeight = widthHeightMaxRangeMinRange.y;
light.range = widthHeightMaxRangeMinRange.z;
}
// Handles.color reseted at end of scope
}
break;
}
break;
}
break;
}
}
static void DrawGizmoForHDAdditionalLightData(HDAdditionalLightData src, GizmoType gizmoType)
{
bool selected = (gizmoType & GizmoType.Selected) != 0;
var light = src.gameObject.GetComponent <Light>();
var gizmoColor = light.color;
gizmoColor.a = selected ? 1.0f : 0.3f; // Fade for the gizmo
Gizmos.color = Handles.color = gizmoColor;
if (src.lightTypeExtent == LightTypeExtent.Punctual)
{
switch (light.type)
{
case LightType.Directional:
CoreLightEditorUtilities.DrawDirectionalLightGizmo(light);
break;
case LightType.Point:
CoreLightEditorUtilities.DrawPointlightGizmo(light, selected);
break;
case LightType.Spot:
if (src.spotLightShape == SpotLightShape.Cone)
{
CoreLightEditorUtilities.DrawSpotlightGizmo(light, src.GetInnerSpotPercent01(), selected);
}
else if (src.spotLightShape == SpotLightShape.Pyramid)
{
HDLightEditorUtilities.DrawFrustumlightGizmo(light);
}
else if (src.spotLightShape == SpotLightShape.Box)
{
HDLightEditorUtilities.DrawFrustumlightGizmo(light);
}
break;
}
}
else
{
switch (src.lightTypeExtent)
{
case LightTypeExtent.Rectangle:
CoreLightEditorUtilities.DrawArealightGizmo(light);
break;
case LightTypeExtent.Line:
CoreLightEditorUtilities.DrawArealightGizmo(light);
break;
}
}
if (selected)
{
// Trace a ray down to better locate the light location
Ray ray = new Ray(src.gameObject.transform.position, Vector3.down);
RaycastHit hit;
if (Physics.Raycast(ray, out hit))
{
Handles.color = Color.green;
Handles.zTest = UnityEngine.Rendering.CompareFunction.LessEqual;
Handles.DrawLine(src.gameObject.transform.position, hit.point);
Handles.DrawWireDisc(hit.point, hit.normal, 0.5f);
Handles.color = Color.red;
Handles.zTest = UnityEngine.Rendering.CompareFunction.Greater;
Handles.DrawLine(src.gameObject.transform.position, hit.point);
Handles.DrawWireDisc(hit.point, hit.normal, 0.5f);
}
}
}
