From 7e3106eba0a0158a0f73f7e6d26dffaaed5cbcee Mon Sep 17 00:00:00 2001
From: matixezor <ThreeDaysGrace123>
Date: Mon, 27 Dec 2021 15:37:23 +0100
Subject: [PATCH] feat: add camera movement boundaries

---
 grafika_projekt/src/main.cpp | 36 +++++++++++++++++++++++++++++++-----
 1 file changed, 31 insertions(+), 5 deletions(-)

diff --git a/grafika_projekt/src/main.cpp b/grafika_projekt/src/main.cpp
index 4ea2f2d..5afb3e1 100644
--- a/grafika_projekt/src/main.cpp
+++ b/grafika_projekt/src/main.cpp
@@ -83,19 +83,45 @@ float skyboxVertices[] = {
 };
 
 
+bool isInBoundaries(glm::vec3 nextPosition) {
+	float boundary = 19.5f;
+	return nextPosition.z > -boundary && nextPosition.z < boundary && nextPosition.y > -boundary && nextPosition.y < boundary && nextPosition.x < boundary && nextPosition.x > -boundary;
+}
+
+
 void keyboard(unsigned char key, int x, int y)
 {
-
 	float angleSpeed = 10.f;
 	float moveSpeed = 0.1f;
+	glm::vec3 nextPosition;
 	switch (key)
 	{
 	case 'z': cursorDiff.z -= angleSpeed; break;
 	case 'x': cursorDiff.z += angleSpeed; break;
-	case 'w': cameraPos += cameraDir * moveSpeed; break;
-	case 's': cameraPos -= cameraDir * moveSpeed; break;
-	case 'd': cameraPos += cameraSide * moveSpeed; break;
-	case 'a': cameraPos -= cameraSide * moveSpeed; break;
+	case 'w': 
+		nextPosition = cameraPos + (cameraDir * moveSpeed);
+		if (isInBoundaries(nextPosition)) {
+			cameraPos = nextPosition;
+		}
+		break;
+	case 's': 
+		nextPosition = cameraPos - (cameraDir * moveSpeed);
+		if (isInBoundaries(nextPosition)) {
+			cameraPos = nextPosition;
+		}
+		break;
+	case 'd': 
+		nextPosition = cameraPos + (cameraSide * moveSpeed);
+		if (isInBoundaries(nextPosition)) {
+			cameraPos = nextPosition;
+		}
+		break;
+	case 'a': 		
+		nextPosition = cameraPos - (cameraSide * moveSpeed);
+		if (isInBoundaries(nextPosition)) {
+			cameraPos = nextPosition;
+		}
+		break;
 	}
 }
 
-- 
2.20.1