46 lines
1.4 KiB
C#
46 lines
1.4 KiB
C#
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using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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public class CameraControl : MonoBehaviour {
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public float distance = 10.0f;
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public Vector3 center;
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private Vector2 lastFrameMouse;
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public float scale = 1.0f;
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public float distanceSpeed = .1f;
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public float rotationSpeed = .1f;
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private void Update() {
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var mouseDelta = (Vector2)Input.mousePosition - lastFrameMouse;
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lastFrameMouse = Input.mousePosition;
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if (Input.GetMouseButton(2)) {
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//Translate.
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center += ((transform.right * mouseDelta.x) + (transform.up * mouseDelta.y)) * scale * distance;
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}
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if (Input.GetMouseButton(1)) {
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distance += mouseDelta.x * distanceSpeed * Mathf.Max(1.0f, 0.1f * distance);
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}
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if (Input.GetMouseButton(0)) {
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//Rotate.
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var currentRotation = transform.rotation;
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var currentYaw = currentRotation.eulerAngles.y;
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var currentPitch = currentRotation.eulerAngles.x;
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currentPitch -= mouseDelta.y * rotationSpeed;
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currentYaw += mouseDelta.x * rotationSpeed;
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currentPitch = Mathf.Max(0, currentPitch);
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var newRotation = Quaternion.Euler(currentPitch, currentYaw, 0.0f);
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transform.rotation = newRotation;
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}
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transform.position = transform.rotation * Vector3.forward * -distance + center;
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}
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}
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