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98 lines
3.0 KiB
98 lines
3.0 KiB
using UnityEngine;
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using System.Collections;
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public class SteamVR_Teleporter : MonoBehaviour
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{
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public enum TeleportType
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{
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TeleportTypeUseTerrain,
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TeleportTypeUseCollider,
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TeleportTypeUseZeroY
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}
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public bool teleportOnClick = false;
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public TeleportType teleportType = TeleportType.TeleportTypeUseZeroY;
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Transform reference
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{
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get
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{
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var top = SteamVR_Render.Top();
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return (top != null) ? top.origin : null;
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}
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}
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void Start()
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{
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var trackedController = GetComponent<SteamVR_TrackedController>();
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if (trackedController == null)
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{
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trackedController = gameObject.AddComponent<SteamVR_TrackedController>();
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}
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trackedController.TriggerClicked += new ClickedEventHandler(DoClick);
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if (teleportType == TeleportType.TeleportTypeUseTerrain)
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{
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// Start the player at the level of the terrain
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var t = reference;
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if (t != null)
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t.position = new Vector3(t.position.x, Terrain.activeTerrain.SampleHeight(t.position), t.position.z);
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}
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}
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void DoClick(object sender, ClickedEventArgs e)
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{
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if (teleportOnClick)
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{
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// First get the current Transform of the the reference space (i.e. the Play Area, e.g. CameraRig prefab)
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var t = reference;
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if (t == null)
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return;
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// Get the current Y position of the reference space
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float refY = t.position.y;
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// Create a plane at the Y position of the Play Area
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// Then create a Ray from the origin of the controller in the direction that the controller is pointing
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Plane plane = new Plane(Vector3.up, -refY);
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Ray ray = new Ray(this.transform.position, transform.forward);
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// Set defaults
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bool hasGroundTarget = false;
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float dist = 0f;
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if (teleportType == TeleportType.TeleportTypeUseTerrain) // If we picked to use the terrain
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{
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RaycastHit hitInfo;
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TerrainCollider tc = Terrain.activeTerrain.GetComponent<TerrainCollider>();
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hasGroundTarget = tc.Raycast(ray, out hitInfo, 1000f);
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dist = hitInfo.distance;
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}
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else if (teleportType == TeleportType.TeleportTypeUseCollider) // If we picked to use the collider
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{
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RaycastHit hitInfo;
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hasGroundTarget = Physics.Raycast(ray, out hitInfo);
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dist = hitInfo.distance;
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}
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else // If we're just staying flat on the current Y axis
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{
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// Intersect a ray with the plane that was created earlier
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// and output the distance along the ray that it intersects
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hasGroundTarget = plane.Raycast(ray, out dist);
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}
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if (hasGroundTarget)
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{
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// Get the current Camera (head) position on the ground relative to the world
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Vector3 headPosOnGround = new Vector3(SteamVR_Render.Top().head.position.x, refY, SteamVR_Render.Top().head.position.z);
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// We need to translate the reference space along the same vector
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// that is between the head's position on the ground and the intersection point on the ground
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// i.e. intersectionPoint - headPosOnGround = translateVector
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// currentReferencePosition + translateVector = finalPosition
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t.position = t.position + (ray.origin + (ray.direction * dist)) - headPosOnGround;
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}
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}
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}
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}
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