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Handles.DrawSolidArc

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public static method DrawSolidArc(center: Vector3, normal: Vector3, from: Vector3, angle: float, radius: float): void;
public static void DrawSolidArc(Vector3 center, Vector3 normal, Vector3 from, float angle, float radius);

Parameters

centerThe center of the circle.
normalThe normal of the circle.
fromThe direction of the point on the circumference, relative to the center, where the sector begins.
angleThe angle of the sector, in degrees.
radiusThe radius of the circle

Note: Use HandleUtility.GetHandleSize where you might want to have constant screen-sized handles.

Description

Draw a circular sector (pie piece) in 3D space.


Solid Arc in the Scene View.

// Create a 180 degrees wire arc with a ScaleValueHandle attached to the disc
// that lets you modify the "shieldArea" var in the WireArcExample.js

@CustomEditor (SolidArcExample)
class DrawSolidArc extends Editor {
    function OnSceneGUI () {
        Handles.color = Color(1,1,1,0.2);
        Handles.DrawSolidArc(target.transform.position,
                target.transform.up,
                -target.transform.right,
                180,
                target.shieldArea);
        Handles.color = Color.white;
        target.shieldArea =
        Handles.ScaleValueHandle(target.shieldArea,
                        target.transform.position + target.transform.forward*target.shieldArea,
                        target.transform.rotation,
                        1,
                        Handles.ConeHandleCap,
                        1);
    }
}

And the script attached to this Handle:

// SolidArcExample.js

var shieldArea : float = 5;
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