firstmaster

1 files changed, 53 insertions, 0 deletions

diff --git a/Assets/Scripts/Camera/BindCameraHeightToShader.cs b/Assets/Scripts/Camera/BindCameraHeightToShader.cs
new file mode 100644
index 0000000..4381e2c
--- /dev/null
+++ b/Assets/Scripts/Camera/BindCameraHeightToShader.cs
@@ -0,0 +1,53 @@
+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
+            );
+        }
+    }
+}