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- #if UNITY_EDITOR
- using UnityEngine;
- namespace O3DWB
- {
- public class OrthoCameraViewVolumePointsCalculator : CameraViewVolumePointsCalculator
- {
- #region Public Methods
- public override Vector3[] CalculateWorldSpaceVolumePoints(Camera camera)
- {
- // Cache needed data
- Transform cameraTransform = camera.transform;
- Vector3 cameraPosition = cameraTransform.position;
- Vector3 cameraRight = cameraTransform.right;
- Vector3 cameraUp = cameraTransform.up;
- Vector3 cameraLook = cameraTransform.forward;
- float halfVolumeVerticalSize = camera.orthographicSize;
- float halfVolumeHorizontalSize = halfVolumeVerticalSize * camera.aspect; // Multiply by the aspect ratio to take the screen distortion into account
- // Calculate the volume points on the near plane
- Vector3[] worldSpaceVolumePoints = new Vector3[8];
- worldSpaceVolumePoints[(int)CameraViewVolumePoint.TopLeftOnNearPlane] = cameraPosition + cameraLook * camera.nearClipPlane - cameraRight * halfVolumeHorizontalSize + cameraUp * halfVolumeVerticalSize;
- worldSpaceVolumePoints[(int)CameraViewVolumePoint.TopRightOnNearPlane] = cameraPosition + cameraLook * camera.nearClipPlane + cameraRight * halfVolumeHorizontalSize + cameraUp * halfVolumeVerticalSize;
- worldSpaceVolumePoints[(int)CameraViewVolumePoint.BottomRightOnNearPlane] = cameraPosition + cameraLook * camera.nearClipPlane + cameraRight * halfVolumeHorizontalSize - cameraUp * halfVolumeVerticalSize;
- worldSpaceVolumePoints[(int)CameraViewVolumePoint.BottomLeftOnNearPlane] = cameraPosition + cameraLook * camera.nearClipPlane - cameraRight * halfVolumeHorizontalSize - cameraUp * halfVolumeVerticalSize;
- // Calculate the volume points on the far plane
- worldSpaceVolumePoints[(int)CameraViewVolumePoint.TopLeftOnFarPlane] = cameraPosition + cameraLook * camera.farClipPlane - cameraRight * halfVolumeHorizontalSize + cameraUp * halfVolumeVerticalSize;
- worldSpaceVolumePoints[(int)CameraViewVolumePoint.TopRightOnFarPlane] = cameraPosition + cameraLook * camera.farClipPlane + cameraRight * halfVolumeHorizontalSize + cameraUp * halfVolumeVerticalSize;
- worldSpaceVolumePoints[(int)CameraViewVolumePoint.BottomRightOnFarPlane] = cameraPosition + cameraLook * camera.farClipPlane + cameraRight * halfVolumeHorizontalSize - cameraUp * halfVolumeVerticalSize;
- worldSpaceVolumePoints[(int)CameraViewVolumePoint.BottomLeftOnFarPlane] = cameraPosition + cameraLook * camera.farClipPlane - cameraRight * halfVolumeHorizontalSize - cameraUp * halfVolumeVerticalSize;
- return worldSpaceVolumePoints;
- }
- #endregion
- }
- }
- #endif
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