109 lines
2.5 KiB
C#
109 lines
2.5 KiB
C#
using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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using UnityEngine.UI;
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public class laserDotOnScreenSystem : MonoBehaviour
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{
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[Header ("Main Settings")]
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[Space]
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public bool laserDotEnabled = true;
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[Space]
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[Header ("Debug")]
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[Space]
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public bool laserDotActive;
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[Space]
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[Header ("Components")]
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[Space]
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public GameObject laserDotIcon;
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public RectTransform laserDotIconRectTransform;
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public Camera mainCamera;
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public playerCamera mainPlayerCamera;
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public bool targetOnScreen;
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Vector3 currentIconPosition;
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Vector3 screenPoint;
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float screenWidth;
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float screenHeight;
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Vector2 iconPosition2d;
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Vector2 mainCanvasSizeDelta;
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Vector2 halfMainCanvasSizeDelta;
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bool usingScreenSpaceCamera;
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public void updateLaserDotPosition (Vector3 hitPoint)
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{
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currentIconPosition = hitPoint;
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screenWidth = Screen.width;
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screenHeight = Screen.height;
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if (usingScreenSpaceCamera) {
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screenPoint = mainCamera.WorldToViewportPoint (currentIconPosition);
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targetOnScreen = screenPoint.z > 0 && screenPoint.x > 0 && screenPoint.x < 1 && screenPoint.y > 0 && screenPoint.y < 1;
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} else {
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screenPoint = mainCamera.WorldToScreenPoint (currentIconPosition);
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targetOnScreen = screenPoint.z > 0 && screenPoint.x > 0 && screenPoint.x < screenWidth && screenPoint.y > 0 && screenPoint.y < screenHeight;
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}
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if (targetOnScreen) {
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if (usingScreenSpaceCamera) {
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iconPosition2d = new Vector2 ((screenPoint.x * mainCanvasSizeDelta.x) - halfMainCanvasSizeDelta.x,
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(screenPoint.y * mainCanvasSizeDelta.y) - halfMainCanvasSizeDelta.y);
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laserDotIconRectTransform.anchoredPosition = iconPosition2d;
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} else {
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laserDotIcon.transform.position = new Vector3 (screenPoint.x, screenPoint.y, 0);
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}
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if (laserDotActive) {
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if (!laserDotIcon.activeSelf) {
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laserDotIcon.SetActive (true);
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}
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}
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} else {
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if (laserDotActive) {
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if (laserDotIcon.activeSelf) {
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laserDotIcon.SetActive (false);
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}
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}
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}
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}
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public void setLasetDotIconActiveState (bool state)
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{
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if (!laserDotEnabled) {
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return;
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}
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laserDotActive = state;
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if (laserDotActive) {
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mainCanvasSizeDelta = mainPlayerCamera.getMainCanvasSizeDelta ();
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halfMainCanvasSizeDelta = mainCanvasSizeDelta * 0.5f;
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usingScreenSpaceCamera = mainPlayerCamera.isUsingScreenSpaceCamera ();
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if (mainCamera == null) {
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mainCamera = mainPlayerCamera.getMainCamera ();
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}
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}
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if (laserDotIcon.activeSelf != laserDotActive) {
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laserDotIcon.SetActive (laserDotActive);
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}
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}
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}
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