65 lines
2.1 KiB
C#
65 lines
2.1 KiB
C#
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namespace PixelCamera
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{
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using UnityEngine;
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/// <summary>
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/// The canvas view camera. This smoothes the view on the pixelated game camera by adjusting its position relative to the upscaled display.
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/// </summary>
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[ExecuteInEditMode]
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public class CanvasViewCamera : MonoBehaviour
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{
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Camera canvasCamera;
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public float Aspect => this.canvasCamera.aspect;
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public float Zoom { get ; private set; }
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void OnEnable()
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{
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this.Zoom = -1;
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this.Initialize();
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}
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/// <summary>
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/// Initializes this component.
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/// </summary>
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void Initialize()
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{
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if (!this.TryGetComponent(out this.canvasCamera))
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{
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Debug.LogError("A camera component is required!");
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}
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else if (this.canvasCamera.orthographic == false)
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{
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Debug.LogWarning("The pixel camera system only works in orthographic camera mode. Changing the view camera to orthographic!");
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this.canvasCamera.orthographic = true;
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}
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}
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/// <summary>
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/// Adjusts the position on the display canvas to smooth movement.
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/// </summary>
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public void AdjustSubPixelPosition(Vector2 targetViewPosition, Vector2 canvasLocalScale)
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{
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var localPosition = (targetViewPosition - new Vector2(0.5f, 0.5f)) * canvasLocalScale;
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this.transform.localPosition = new Vector3(localPosition.x, localPosition.y, -1f);
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}
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/// <summary>
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/// Sets the orthographic zoom of this camera.
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/// </summary>
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public void SetZoom(float inputZoom, float halfCanvasHeight)
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{
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this.canvasCamera.orthographicSize = inputZoom * halfCanvasHeight;
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this.Zoom = inputZoom;
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}
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/// <summary>
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/// Sets the near and far clip planes of the view camera.
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/// </summary>
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public void SetClipPlanes(float near, float far)
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{
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this.canvasCamera.nearClipPlane = near;
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this.canvasCamera.farClipPlane = far;
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}
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}
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}
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