/// <summary>
/// Draws a "Cone" gizmo
/// </summary>
/// <param name="component">The target component</param>
/// <param name="alpha">The base opacity</param>
private static void DrawCone(AuraVolume component, float alpha)
{
float thickness = CustomGizmo.pixelWidth;
Color color = CustomGizmo.color;
color.a *= alpha;
CustomGizmo.DrawCone(component.transform.localToWorldMatrix, color, thickness);
float z = 1.0f - component.volumeShape.fading.distanceConeFade;
float xy = Mathf.Lerp(0, 1.0f - component.volumeShape.fading.angularConeFade, z);
CustomGizmo.DrawLineSegment(new Vector3(0.0f, 0.5f, 1), new Vector3(0, xy * 0.5f, z), component.transform.localToWorldMatrix, color, thickness);
CustomGizmo.DrawLineSegment(new Vector3(0.0f, -0.5f, 1), new Vector3(0, -xy * 0.5f, z), component.transform.localToWorldMatrix, color, thickness);
CustomGizmo.DrawLineSegment(new Vector3(0.5f, 0.0f, 1), new Vector3(xy * 0.5f, 0.0f, z), component.transform.localToWorldMatrix, color, thickness);
CustomGizmo.DrawLineSegment(new Vector3(-0.5f, 0.0f, 1), new Vector3(-xy * 0.5f, 0.0f, z), component.transform.localToWorldMatrix, color, thickness);
CustomGizmo.DrawCone(component.transform.localToWorldMatrix, Vector3.zero, Quaternion.identity, new Vector3(xy, xy, z), color, thickness);
}
/// <summary>
/// Draws the gizmo
/// </summary>
/// <param name="component">The target component</param>
/// <param name="opacity">The gizmo opacity</param>
private static void DrawGizmo(AuraLight component, float opacity)
{
Color color = CustomGizmo.color;
color.a = CustomGizmo.color.a * opacity;
switch (component.Type)
{
case LightType.Directional:
{
float size = HandleUtility.GetHandleSize(component.transform.position);
const int stepAmount = 8;
const float width = 1.0f;
const float length = 3.0f;
CustomGizmo.DrawCircle(Matrix4x4.TRS(component.transform.position, component.transform.rotation * Quaternion.AngleAxis(90, Vector3.right), Vector3.one * size * width), color, CustomGizmo.pixelWidth);
for (int i = 0; i < stepAmount; ++i)
{
float ratio = (float)i / (float)stepAmount * 2.0f * Mathf.PI;
Vector3 localStartPosition = new Vector3(Mathf.Sin(ratio), Mathf.Cos(ratio), 0) * size * width * 0.5f;
Vector3 transformedStartPosition = component.transform.localToWorldMatrix.MultiplyPoint(localStartPosition);
CustomGizmo.DrawLineSegment(transformedStartPosition, transformedStartPosition + component.transform.forward * size * length, color, CustomGizmo.pixelWidth);
}
}
break;
case LightType.Spot:
{
float angleToWidth = Mathf.Tan(component.GetComponent <Light>().spotAngle *Mathf.Deg2Rad * 0.5f) * 2.0f * component.GetComponent <Light>().range;
CustomGizmo.DrawCone(Matrix4x4.TRS(component.transform.position, component.transform.rotation, new Vector3(angleToWidth, angleToWidth, component.GetComponent <Light>().range)), color, CustomGizmo.pixelWidth);
}
break;
case LightType.Point:
{
CustomGizmo.DrawSphere(Matrix4x4.TRS(component.transform.position, component.transform.rotation, Vector3.one * component.GetComponent <Light>().range * 2.0f), color, CustomGizmo.pixelWidth);
}
break;
}
}