refactored Projectile class

removed unused projectile classes and files

shell.cpp

@@ -1,38 +0,0 @@
-#include <model.h>
-
-#include "shell.h"
-#include "defConfigs.h"
-#include "projectileData.h"
-#include "util.h"
-#include "unit.h"
-
-using namespace vb01;
-
-namespace battleship{
-    Shell::Shell(Unit *unit, Vector3 pos, Vector3 dir, Vector3 left, Vector3 up, int id, int weaponTypeId, int weaponId) : Projectile(unit, nullptr, pos, dir, left, up, id, weaponTypeId, weaponId) {
-        this->speed = projectileData::speed[id][weaponTypeId][weaponId];
-        node->setScale(Vector3(1, 1, 1) * projectileData::scale[id][weaponTypeId][weaponId]);
-        initTime = getTime();
-    }
-
-    void Shell::update() {
-        //x=v*cos(a)*t
-        //y=v*sin(a)*t+0.5(g*t^2)
-        Projectile::update();
-        Vector3 straightVec = Vector3(dirVec.x, 0, dirVec.z).norm();
-        double time = double(getTime() - initTime) / 1000,
-            offsetX = speed * cos(angle) * time,
-            offsetY = speed * sin(angle) * time - .5 * (g * time * time);
-        pos = initPos + straightVec * offsetX + Vector3(0, offsetY, 0);
-        node->setPosition(pos);
-        updateVecs(straightVec, time);
-        checkForCollision();
-    }
-
-    void Shell::updateVecs(Vector3 straightVec, float time) {
-        // f'(t)=dy/dx=(v*sin(a)+g*t)/(v*cos(a))
-        float tanAngle = -atan((speed * sin(angle) + g * time) / (speed * cos(angle)));
-        Quaternion rotQuat = Quaternion(tanAngle, leftVec);
-        dirVec = rotQuat*straightVec, upVec = rotQuat * Vector3(0, 1, 0);
-    }
-}