From d18e1251274fc0b408b3ae2aee0459840c15915a Mon Sep 17 00:00:00 2001
From: Askou <tom.augier@epitech.eu>
Date: Sun, 20 Jun 2021 10:27:08 +0200
Subject: [PATCH] fix berserk camera

---
 sources/System/Renderer/CameraSystem.cpp | 22 ++++++++++++++++------
 1 file changed, 16 insertions(+), 6 deletions(-)

diff --git a/sources/System/Renderer/CameraSystem.cpp b/sources/System/Renderer/CameraSystem.cpp
index 6722d48f..e56fe3a4 100644
--- a/sources/System/Renderer/CameraSystem.cpp
+++ b/sources/System/Renderer/CameraSystem.cpp
@@ -49,8 +49,7 @@ namespace BBM
 	}
 
 	void CameraSystem::onUpdate(WAL::ViewEntity<CameraComponent, PositionComponent> &entity,
-	                            std::chrono::nanoseconds dtime)
-	{
+	                            std::chrono::nanoseconds dtime) {
 		if (Runner::gameState.currentScene != GameState::GameScene || !introAnimation(entity))
 			return;
 		auto &pos = entity.get<PositionComponent>();
@@ -60,14 +59,19 @@ namespace BBM
 		float maxDist = 0;
 		float lowerXDist = 0;
 		float lowerZDist = 0;
-
 		for (auto &[player, position, _] : this->_wal.getScene()->view<PositionComponent, TagComponent<Player>>()) {
 			playerPos.emplace_back(position.position);
 		}
+		if (pos.position.x > Runner::mapWidth || pos.position.z > Runner::mapHeight) {
+			pos.position.x = Runner::mapWidth / 2;
+			pos.position.y = (Runner::mapHeight / 2) - 1;
+		}
 		if (playerPos.size() == 1)
 			newCameraPos = playerPos[0];
 		for (size_t i = 0; i < playerPos.size(); i++)
 			for (size_t j = 0; j < playerPos.size(); j++) {
+				if (i == j)
+					continue;
 				if (maxDist < playerPos[i].distance(playerPos[j])) {
 					maxDist = playerPos[i].distance(playerPos[j]);
 					newCameraPos = (playerPos[i] + playerPos[j]) / 2;
@@ -78,19 +82,25 @@ namespace BBM
 					lowerZDist = std::abs((playerPos[i].z - playerPos[j].z));
 			}
 		maxDist += (lowerXDist  + lowerZDist) / 2;
+		if (maxDist < 1)
+			return;
 		if (maxDist < 14)
 			maxDist = 14;
 		if (maxDist > 23)
 			maxDist = 23;
-		Vector3f pos2d(pos.position.abs().x,0, pos.position.abs().z);
-		Vector3f newPos2d(newCameraPos.abs().x, 0, pos.position.abs().z);
 		for (auto &[other, backPos, _] : this->_wal.getScene()->view<PositionComponent, TagComponent<Background>>()) {
 			backPos.position = cam.target;
 		}
 		newCameraPos.y = 0;
+		if (lowerXDist < 0.5)
+			newCameraPos.x = pos.position.x;
+		if (lowerZDist < 0.5)
+			newCameraPos.z = pos.position.z;
 		cam.target += (newCameraPos.abs() - cam.target.abs()) / 10;
+		cam.target = cam.target.abs();
 		newCameraPos.y = maxDist;
-		newCameraPos.z -= newCameraPos.z > 1 ? 1 : 0;
+		if (lowerZDist > 0.5 || cam.target.z >= pos.position.z)
+			newCameraPos.z = cam.target.z > 1 ? newCameraPos.z - 1 : 0;
 		pos.position += (newCameraPos.abs() - pos.position.abs()) / 10;
 	}
 }
\ No newline at end of file