Пример #1
0
		// Add attractive force
	void addAttractiveForce(ParticleManager& foodManager, ParticleManager& snakeManager) {
		int attractiveCoeff = 50;
		glm::vec2 attractiveForce = foodManager.getParticlePosition(0) - snakeManager.getParticlePosition(0);
        float d = glm::length(attractiveForce);
        attractiveForce = glm::normalize(attractiveForce);
        
      
	    // Plus on divise et plus c'est petit : pluattractivecoeff augmente et mois l'attraction est forte au loin
        snakeManager.addForceToParticle(0, glm::vec2(attractiveForce[0]/(attractiveCoeff*d), attractiveForce[1]/(attractiveCoeff*d)));
        
	}
Пример #2
0
		// Add repulsive force
	void addRepulsiveForce(ParticleManager& repulsiveManager, ParticleManager& snakeManager) {
		if(repulsiveManager.getCount() > 0) {
			for(int i = 0; i < snakeManager.getCount(); ++i) {
				for(int j = 0; j < repulsiveManager.getCount(); ++j) {
	                glm::vec2 repulse = snakeManager.getParticlePosition(i) - repulsiveManager.getParticlePosition(j);
	                float d = glm::length(repulse);
	                repulse = glm::normalize(repulse);

	                int repulsiveCoeff = 40;

	                if(d < 0.2) {
	                   // Plus on divise et plus c'est petit : pluattractivecoeff augmente et mois l'attraction est forte au loin
	                    snakeManager.addForceToParticle(i, glm::vec2(repulse[0]/(repulsiveCoeff*d), repulse[1]/(repulsiveCoeff*d)));
	                }
				}	               
                
            }
		}
		
	}
Пример #3
0
void ConstantForce::apply(ParticleManager& pm) {
	for(int i = 0; i < pm.getCount(); ++i) {
		pm.addForceToParticle(i, this->getForce());
	}
}