40 lines
1.7 KiB
C#
40 lines
1.7 KiB
C#
#if PRIME_TWEEN_INSTALLED
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using PrimeTween;
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using UnityEngine;
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namespace PrimeTweenDemo {
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public class CameraProjectionMatrixAnimation : MonoBehaviour {
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[SerializeField] Camera mainCamera;
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float interpolationFactor;
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bool isOrthographic;
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Tween tween;
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public void AnimateCameraProjection() {
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isOrthographic = !isOrthographic;
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tween.Stop();
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tween = Tween.Custom(this, interpolationFactor, isOrthographic ? 1 : 0, 0.6f, ease: Ease.InOutSine, onValueChange: (target, t) => {
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target.InterpolateProjectionMatrix(t);
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})
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.OnComplete(this, target => {
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target.mainCamera.orthographic = target.isOrthographic;
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target.mainCamera.ResetProjectionMatrix();
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});
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}
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void InterpolateProjectionMatrix(float _interpolationFactor) {
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interpolationFactor = _interpolationFactor;
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float aspect = (float)Screen.width / Screen.height;
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var orthographicSize = mainCamera.orthographicSize;
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var perspectiveMatrix = Matrix4x4.Perspective(mainCamera.fieldOfView, aspect, mainCamera.nearClipPlane, mainCamera.farClipPlane);
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var orthoMatrix = Matrix4x4.Ortho(-orthographicSize * aspect, orthographicSize * aspect, -orthographicSize, orthographicSize, mainCamera.nearClipPlane, mainCamera.farClipPlane);
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Matrix4x4 projectionMatrix = default;
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for (int i = 0; i < 16; i++) {
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projectionMatrix[i] = Mathf.Lerp(perspectiveMatrix[i], orthoMatrix[i], _interpolationFactor);
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}
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mainCamera.projectionMatrix = projectionMatrix;
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}
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public bool IsAnimating => tween.isAlive;
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}
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}
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#endif |