74 lines
2.3 KiB
C#
74 lines
2.3 KiB
C#
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using UnityEngine;
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[AddComponentMenu("Camera/Top Down Follow Camera")]
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public class TopDownCameraController : MonoBehaviour
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{
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[Header("Target")]
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public Transform target;
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[Header("Positioning")]
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public float distance = 8f; // horizontal distance from target
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public float height = 6f; // vertical offset above target
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[Range(0f, 89f)]
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public float pitch = 80f; // X rotation in degrees (80 by default)
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[Header("Smoothing")]
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public bool smoothPosition = true;
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public float positionSmoothTime = 0.12f;
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public bool smoothRotation = true;
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public float rotationSmoothTime = 0.08f;
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Vector3 positionVelocity;
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Quaternion rotationVelocity;
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void Reset()
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{
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pitch = 80f;
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distance = 8f;
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height = 6f;
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}
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void LateUpdate()
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{
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if (target == null) return;
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// Calculate desired camera position in local space relative to target
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// Start with a rotation that looks down by 'pitch' degrees
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Quaternion pitchRot = Quaternion.Euler(pitch, 0f, 0f);
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// Desired offset: move back along the camera's forward by 'distance', then up by 'height'
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Vector3 localOffset = pitchRot * new Vector3(0f, height, -distance);
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Vector3 desiredPosition = target.position + localOffset;
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// Smooth position
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if (smoothPosition)
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{
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transform.position = Vector3.SmoothDamp(transform.position, desiredPosition, ref positionVelocity, positionSmoothTime);
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}
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else
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{
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transform.position = desiredPosition;
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}
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// Desired rotation: look at target but keep the pitch
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Vector3 lookDirection = (target.position - transform.position).normalized;
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Quaternion desiredRotation = Quaternion.LookRotation(lookDirection, Vector3.up);
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// Optionally lock X rotation to the pitch value to avoid subtle tilts
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Vector3 euler = desiredRotation.eulerAngles;
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euler.x = pitch;
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desiredRotation = Quaternion.Euler(euler);
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// Smooth rotation
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if (smoothRotation)
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{
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transform.rotation = Quaternion.Slerp(transform.rotation, desiredRotation, 1f - Mathf.Exp(-rotationSmoothTime * 60f * Time.deltaTime));
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}
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else
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{
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transform.rotation = desiredRotation;
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}
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}
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}
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