public override void OnSceneViewGUI()
{
Color color = Handles.color;
Handles.color = ShapeModuleUI.s_ShapeGizmoColor;
Matrix4x4 matrix = Handles.matrix;
EditorGUI.BeginChangeCheck();
ParticleSystem[] particleSystems = this.m_ParticleSystemUI.m_ParticleSystems;
for (int i = 0; i < particleSystems.Length; i++)
{
ParticleSystem particleSystem = particleSystems[i];
ParticleSystem.ShapeModule shape = particleSystem.shape;
ParticleSystem.MainModule main = particleSystem.main;
ParticleSystemShapeType shapeType = shape.shapeType;
Matrix4x4 matrix4x = default(Matrix4x4);
if (main.scalingMode == ParticleSystemScalingMode.Local)
{
matrix4x.SetTRS(particleSystem.transform.position, particleSystem.transform.rotation, particleSystem.transform.localScale);
}
else if (main.scalingMode == ParticleSystemScalingMode.Hierarchy)
{
matrix4x = particleSystem.transform.localToWorldMatrix;
}
else
{
matrix4x.SetTRS(particleSystem.transform.position, particleSystem.transform.rotation, particleSystem.transform.lossyScale);
}
bool flag = shapeType == ParticleSystemShapeType.Box || shapeType == ParticleSystemShapeType.BoxShell || shapeType == ParticleSystemShapeType.BoxEdge;
Vector3 s = (!flag) ? shape.scale : Vector3.one;
Matrix4x4 rhs = Matrix4x4.TRS(shape.position, Quaternion.Euler(shape.rotation), s);
matrix4x *= rhs;
Handles.matrix = matrix4x;
if (shapeType == ParticleSystemShapeType.Sphere)
{
EditorGUI.BeginChangeCheck();
float radius = Handles.DoSimpleRadiusHandle(Quaternion.identity, Vector3.zero, shape.radius, false);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(particleSystem, "Sphere Handle Change");
shape.radius = radius;
}
}
else if (shapeType == ParticleSystemShapeType.Circle)
{
EditorGUI.BeginChangeCheck();
this.m_ArcHandle.radius = shape.radius;
this.m_ArcHandle.angle = shape.arc;
this.m_ArcHandle.SetColorWithRadiusHandle(Color.white, 0f);
using (new Handles.DrawingScope(Handles.matrix * this.s_ArcHandleOffsetMatrix))
{
this.m_ArcHandle.DrawHandle();
}
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(particleSystem, "Circle Handle Change");
shape.radius = this.m_ArcHandle.radius;
shape.arc = this.m_ArcHandle.angle;
}
}
else if (shapeType == ParticleSystemShapeType.Hemisphere)
{
EditorGUI.BeginChangeCheck();
float radius2 = Handles.DoSimpleRadiusHandle(Quaternion.identity, Vector3.zero, shape.radius, true);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(particleSystem, "Hemisphere Handle Change");
shape.radius = radius2;
}
}
else if (shapeType == ParticleSystemShapeType.Cone)
{
EditorGUI.BeginChangeCheck();
Vector3 radiusAngleRange = new Vector3(shape.radius, shape.angle, main.startSpeedMultiplier);
radiusAngleRange = Handles.ConeFrustrumHandle(Quaternion.identity, Vector3.zero, radiusAngleRange);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(particleSystem, "Cone Handle Change");
shape.radius = radiusAngleRange.x;
shape.angle = radiusAngleRange.y;
main.startSpeedMultiplier = radiusAngleRange.z;
}
}
else if (shapeType == ParticleSystemShapeType.ConeVolume)
{
EditorGUI.BeginChangeCheck();
Vector3 radiusAngleRange2 = new Vector3(shape.radius, shape.angle, shape.length);
radiusAngleRange2 = Handles.ConeFrustrumHandle(Quaternion.identity, Vector3.zero, radiusAngleRange2);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(particleSystem, "Cone Volume Handle Change");
shape.radius = radiusAngleRange2.x;
shape.angle = radiusAngleRange2.y;
shape.length = radiusAngleRange2.z;
}
}
else if (shapeType == ParticleSystemShapeType.Box || shapeType == ParticleSystemShapeType.BoxShell || shapeType == ParticleSystemShapeType.BoxEdge)
{
EditorGUI.BeginChangeCheck();
this.m_BoxBoundsHandle.center = Vector3.zero;
this.m_BoxBoundsHandle.size = shape.scale;
this.m_BoxBoundsHandle.DrawHandle();
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(particleSystem, "Box Handle Change");
shape.scale = this.m_BoxBoundsHandle.size;
}
}
else if (shapeType == ParticleSystemShapeType.Donut)
{
EditorGUI.BeginChangeCheck();
this.m_ArcHandle.radius = shape.radius;
this.m_ArcHandle.angle = shape.arc;
this.m_ArcHandle.SetColorWithRadiusHandle(Color.white, 0f);
this.m_ArcHandle.wireframeColor = Color.clear;
using (new Handles.DrawingScope(Handles.matrix * this.s_ArcHandleOffsetMatrix))
{
this.m_ArcHandle.DrawHandle();
}
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(particleSystem, "Donut Handle Change");
shape.radius = this.m_ArcHandle.radius;
shape.arc = this.m_ArcHandle.angle;
}
using (new Handles.DrawingScope(Handles.matrix * this.s_ArcHandleOffsetMatrix))
{
float num = shape.arc % 360f;
float angle = (Mathf.Abs(shape.arc) < 360f) ? num : 360f;
Handles.DrawWireArc(new Vector3(0f, shape.donutRadius, 0f), Vector3.up, Vector3.forward, angle, shape.radius);
Handles.DrawWireArc(new Vector3(0f, -shape.donutRadius, 0f), Vector3.up, Vector3.forward, angle, shape.radius);
Handles.DrawWireArc(Vector3.zero, Vector3.up, Vector3.forward, angle, shape.radius + shape.donutRadius);
Handles.DrawWireArc(Vector3.zero, Vector3.up, Vector3.forward, angle, shape.radius - shape.donutRadius);
if (shape.arc != 360f)
{
Quaternion rotation = Quaternion.AngleAxis(shape.arc, Vector3.up);
Vector3 center = rotation * Vector3.forward * shape.radius;
Handles.DrawWireDisc(center, rotation * Vector3.right, shape.donutRadius);
}
}
this.m_SphereBoundsHandle.axes = (PrimitiveBoundsHandle.Axes.X | PrimitiveBoundsHandle.Axes.Y);
this.m_SphereBoundsHandle.radius = shape.donutRadius;
this.m_SphereBoundsHandle.center = Vector3.zero;
this.m_SphereBoundsHandle.SetColor(Color.white);
float num2 = 90f;
int num3 = Mathf.Max(1, (int)Mathf.Ceil(shape.arc / num2));
Matrix4x4 rhs2 = Matrix4x4.TRS(new Vector3(shape.radius, 0f, 0f), Quaternion.Euler(90f, 0f, 0f), Vector3.one);
for (int j = 0; j < num3; j++)
{
EditorGUI.BeginChangeCheck();
using (new Handles.DrawingScope(Handles.matrix * (Matrix4x4.Rotate(Quaternion.Euler(0f, 0f, num2 * (float)j)) * rhs2)))
{
this.m_SphereBoundsHandle.DrawHandle();
}
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(particleSystem, "Donut Radius Handle Change");
shape.donutRadius = this.m_SphereBoundsHandle.radius;
}
}
}
else if (shapeType == ParticleSystemShapeType.SingleSidedEdge)
{
EditorGUI.BeginChangeCheck();
float radius3 = Handles.DoSimpleEdgeHandle(Quaternion.identity, Vector3.zero, shape.radius);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(particleSystem, "Edge Handle Change");
shape.radius = radius3;
}
}
else if (shapeType == ParticleSystemShapeType.Mesh)
{
Mesh mesh = shape.mesh;
if (mesh)
{
bool wireframe = GL.wireframe;
GL.wireframe = true;
this.m_Material.SetPass(0);
Graphics.DrawMeshNow(mesh, matrix4x);
GL.wireframe = wireframe;
}
}
}
if (EditorGUI.EndChangeCheck())
{
this.m_ParticleSystemUI.m_ParticleEffectUI.m_Owner.Repaint();
}
Handles.color = color;
Handles.matrix = matrix;
}