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using UnityEngine;
namespace Camera
{
public class BindCameraHeightToShader : MonoBehaviour
{
public float layerHeight = 5;
private static readonly int PlayerHeight = Shader.PropertyToID("_PlayerHeight");
private static readonly int LayerHeight = Shader.PropertyToID("_LayerHeight");
private float scaleAverage
{
get
{
var t = transform;
var scale = t.localScale;
var average = (scale.x + scale.y + scale.z) / 3;
return average;
}
}
private void FixedUpdate()
{
Shader.SetGlobalFloat(PlayerHeight, transform.position.y);
Shader.SetGlobalFloat(LayerHeight, layerHeight);
}
private void OnDrawGizmos()
{
var t = transform;
var average = this.scaleAverage;
Gizmos.color = Color.yellow;
Gizmos.DrawWireCube(
t.position,
new Vector3(2f, 0.2f, 2f) * average
);
}
private void OnDrawGizmosSelected()
{
var t = transform;
var average = this.scaleAverage;
Gizmos.color = Color.green;
Gizmos.DrawWireCube(
t.position + Vector3.up * (layerHeight / 2),
(new Vector3(2.2f, 0f, 2.2f) * average) +
Vector3.up * layerHeight
);
}
}
}
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