factored out explosion behaviour

game.cpp

@@ -8,6 +8,7 @@
 #include "defConfigs.h"
 
 #include <assetManager.h>
+#include <particleEmitter.h>
 
 #include <stateManager.h>
 
@@ -143,4 +144,45 @@ namespace battleship{
 
 		paused = !paused;
 	}
+
+	void Game::explode(Vector3 pos, int damage, float radius, sf::Sound *explosionSfx){
+		if(!(damage == 0 || radius == 0))
+			for(Player *pl : players){
+				for(Unit *un : pl->getUnits()){
+					float distance = un->getPos().getDistanceFrom(pos);
+
+					if(distance < radius)
+						un->takeDamage(int(damage * (1.f - distance / radius)));
+				}
+			}
+
+		Root *root = Root::getSingleton();
+
+		const int numFrames = 1;
+		string p[numFrames];
+
+		for(int i = 0; i < numFrames; i++)
+			p[i] = GameManager::getSingleton()->getPath() + "Textures/Explosion/explosion07.png";
+
+		Texture *tex = new Texture(p, numFrames, false);
+
+		Material *mat = new Material(root->getLibPath() + "particle");
+		mat->addTexUniform("tex", tex, true);
+
+		ParticleEmitter *pe = new ParticleEmitter(1);
+		pe->setMaterial(mat);
+		pe->setLowLife(3);
+		pe->setHighLife(3);
+		pe->setSize(10 * Vector2::VEC_IJ);
+		pe->setSpeed(0);
+
+		Node *node = new Node(pos + Vector3(0, 2, 0));
+		node->attachParticleEmitter(pe);
+		node->lookAt(Vector3::VEC_J, Vector3::VEC_K);
+		root->getRootNode()->attachChild(node);
+
+		Fx fx(50, 2500, explosionSfx, node);
+		fx.activate();
+		addFx(fx);
+	}
 }