Game Concept Progress

Published on June 2nd, 2010 in iPhone Programming

Still not going to give away any details on the game this soon, BUT here is another video teaser of my iPhone game using Cocos2D and Box2D and a ton of radial gravity. :)

There are no fancy graphics yet, and won’t be for quite some time.






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4 Responses to “Game Concept Progress”

  1. Devin Lansing says:
    June 3, 2010 at 12:49 pm

    I’m intrigued. Could you share how you worked out the multiple points of gravity?

  2. Nick Vellios says:
    June 3, 2010 at 5:31 pm

    Yes, in time. Check back frequently. :)

  3. Chue says:
    June 21, 2010 at 11:48 pm

    I wanted to create lines like these, how do i create them? I”m starting new still with cocos2d.

  4. Nick Vellios says:
    June 22, 2010 at 12:21 am

    Are you referring to the curvy lines? See the Box2D test bed, specifically “Edge Shapes.”

    Here is a snippet from that example:

    		// Ground body
		{
			b2BodyDef bd;
			b2Body* ground = m_world->CreateBody(&bd);

			float32 x1 = -20.0f;
			float32 y1 = 2.0f * cosf(x1 / 10.0f * b2_pi);
			for (int32 i = 0; i < 80; ++i)
			{
				float32 x2 = x1 + 0.5f;
				float32 y2 = 2.0f * cosf(x2 / 10.0f * b2_pi);

				b2PolygonShape shape;
				shape.SetAsEdge(b2Vec2(x1, y1), b2Vec2(x2, y2));
				ground->CreateFixture(&shape, 0.0f);

				x1 = x2;
				y1 = y2;
			}
		}

    Let me know if you have any questions. This is Box2D specific, NOT Cocos2D.

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