void OnGUI()
{
GUIContent[] shapeLabels = Enum.GetNames(typeof(ParticleSystemForceFieldShape)).Select(n => new GUIContent(n)).ToArray();
m_Shape = (ParticleSystemForceFieldShape)GUI.SelectionGrid(new Rect(25, 25, 400, 25), (int)m_Shape, shapeLabels, 4);
float y = 80.0f;
float spacing = 40.0f;
GUI.Label(new Rect(25, y, 140, 30), "Start Range");
m_StartRange = GUI.HorizontalSlider(new Rect(165, y + 5, 100, 30), m_StartRange, 0.0f, 2.0f);
y += spacing;
GUI.Label(new Rect(25, y, 140, 30), "End Range");
m_EndRange = GUI.HorizontalSlider(new Rect(165, y + 5, 100, 30), m_EndRange, 2.0f, 3.0f);
y += spacing;
GUI.Label(new Rect(25, y, 140, 30), "Direction");
m_Direction.x = GUI.HorizontalSlider(new Rect(165, y + 5, 40, 30), m_Direction.x, -1.0f, 1.0f);
m_Direction.y = GUI.HorizontalSlider(new Rect(210, y + 5, 40, 30), m_Direction.y, -1.0f, 1.0f);
m_Direction.z = GUI.HorizontalSlider(new Rect(255, y + 5, 40, 30), m_Direction.z, -1.0f, 1.0f);
y += spacing;
GUI.Label(new Rect(25, y, 140, 30), "Gravity");
m_Gravity = GUI.HorizontalSlider(new Rect(165, y + 5, 100, 30), m_Gravity, -0.05f, 0.05f);
y += spacing;
GUI.Label(new Rect(25, y, 140, 30), "Gravity Focus");
m_GravityFocus = GUI.HorizontalSlider(new Rect(165, y + 5, 100, 30), m_GravityFocus, 0.0f, 1.0f);
y += spacing;
GUI.Label(new Rect(25, y, 140, 30), "Rotation Speed");
m_RotationSpeed = GUI.HorizontalSlider(new Rect(165, y + 5, 100, 30), m_RotationSpeed, -10.0f, 10.0f);
y += spacing;
GUI.Label(new Rect(25, y, 140, 30), "Rotation Attraction");
m_RotationAttraction = GUI.HorizontalSlider(new Rect(165, y + 5, 100, 30), m_RotationAttraction, 0.0f, 0.01f);
y += spacing;
GUI.Label(new Rect(25, y, 140, 30), "Rotation Randomness");
m_RotationRandomness.x = GUI.HorizontalSlider(new Rect(165, y + 5, 60, 30), m_RotationRandomness.x, 0.0f, 1.0f);
m_RotationRandomness.y = GUI.HorizontalSlider(new Rect(230, y + 5, 60, 30), m_RotationRandomness.y, 0.0f, 1.0f);
y += spacing;
GUI.Label(new Rect(25, y, 140, 30), "Drag");
m_Drag = GUI.HorizontalSlider(new Rect(165, y + 5, 100, 30), m_Drag, 0.0f, 20.0f);
y += spacing;
m_MultiplyDragByParticleSize = GUI.Toggle(new Rect(25, y, 220, 30), m_MultiplyDragByParticleSize, "Multiply Drag by Particle Size");
y += spacing;
m_MultiplyDragByParticleVelocity = GUI.Toggle(new Rect(25, y, 220, 30), m_MultiplyDragByParticleVelocity, "Multiply Drag by Particle Velocity");
y += spacing;
}
protected override void ReadFromImpl(object obj)
{
base.ReadFromImpl(obj);
ParticleSystemForceField uo = (ParticleSystemForceField)obj;
shape = uo.shape;
startRange = uo.startRange;
endRange = uo.endRange;
length = uo.length;
gravityFocus = uo.gravityFocus;
rotationRandomness = uo.rotationRandomness;
multiplyDragByParticleSize = uo.multiplyDragByParticleSize;
multiplyDragByParticleVelocity = uo.multiplyDragByParticleVelocity;
vectorField = ToID(uo.vectorField);
directionX = uo.directionX;
directionY = uo.directionY;
directionZ = uo.directionZ;
gravity = uo.gravity;
rotationSpeed = uo.rotationSpeed;
rotationAttraction = uo.rotationAttraction;
drag = uo.drag;
vectorFieldSpeed = uo.vectorFieldSpeed;
vectorFieldAttraction = uo.vectorFieldAttraction;
}
public static void DrawHandle(ParticleSystemForceField ff)
{
using (new Handles.DrawingScope(s_GizmoColor, ff.transform.localToWorldMatrix))
{
ParticleSystemForceFieldShape forceShape = ff.shape;
if (forceShape == ParticleSystemForceFieldShape.Sphere)
{
DrawSphere(s_EndRangeProperty, ff);
if (ff.startRange > 0.0f)
{
DrawSphere(s_StartRangeProperty, ff);
}
if (ff.gravityFocus > 0.0f)
{
using (new Handles.DrawingScope(s_GizmoColor * s_GizmoFocusTint))
DrawSphere(s_GravityFocusProperty, ff, ff.endRange);
}
}
else if (forceShape == ParticleSystemForceFieldShape.Hemisphere)
{
DrawHemisphere(s_EndRangeProperty, ff);
if (ff.startRange > 0.0f)
{
DrawHemisphere(s_StartRangeProperty, ff);
}
if (ff.gravityFocus > 0.0f)
{
using (new Handles.DrawingScope(s_GizmoColor * s_GizmoFocusTint))
DrawHemisphere(s_GravityFocusProperty, ff, ff.endRange);
}
}
else if (forceShape == ParticleSystemForceFieldShape.Cylinder)
{
DrawCylinder(s_EndRangeProperty, s_LengthProperty, ff);
if (ff.startRange > 0.0f)
{
DrawCylinder(s_StartRangeProperty, s_LengthProperty, ff);
}
if (ff.gravityFocus > 0.0f)
{
using (new Handles.DrawingScope(s_GizmoColor * s_GizmoFocusTint))
DrawCylinder(s_GravityFocusProperty, s_LengthProperty, ff, ff.endRange);
}
}
else if (forceShape == ParticleSystemForceFieldShape.Box)
{
DrawBox(s_EndRangeProperty, ff);
if (ff.startRange > 0.0f)
{
DrawBox(s_StartRangeProperty, ff);
}
if (ff.gravityFocus > 0.0f)
{
using (new Handles.DrawingScope(s_GizmoColor * s_GizmoFocusTint))
DrawBox(s_GravityFocusProperty, ff, ff.endRange);
}
}
}
}