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Implement OnDrawGizmosSelected to draw a gizmo if the object is selected.

Gizmos are drawn only when the object is selected. Gizmos are not pickable. This is used to ease setup. For example an explosion script could draw a sphere showing the explosion radius.

using UnityEngine;

public class gizmoTest : MonoBehaviour { public float explosionRadius = 5.0f;

void OnDrawGizmosSelected() { // Display the explosion radius when selected Gizmos.color = new Color(1, 1, 0, 0.75F); Gizmos.DrawSphere(transform.position, explosionRadius); } }

See Also: OnDrawGizmos.

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