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copied!<p>This looks like it should be on gamedev stack exchange, and I would recommend switching to ray tests instead of sphere.</p> <p>Anyways, If you are married to your sphere-based system, you could "push" players out of the walls instead:</p> <pre><code>private static bool CorrectCollisions(ref Crate c1, ref Player c2) { for (int i = 0; i < c1.model.Meshes.Count; i++) { // Check whether the bounding boxes of the two cubes intersect. BoundingSphere c1BoundingSphere = c1.model.Meshes[i].BoundingSphere; c1BoundingSphere.Center += c1.position + new Vector3(2, 0, 2); c1BoundingSphere.Radius = c1BoundingSphere.Radius / 1.5f; for (int j = 0; j < c2.model.Meshes.Count; j++) { BoundingSphere c2BoundingSphere = c2.model.Meshes[j].BoundingSphere; c2BoundingSphere.Center += c2.position; Vector3 dir=c2BoundingSphere.Center - c1BoundingSphere.Center; float center_dist_sq=dir.dot(dir); float min_dist=c2BoundingSphere.Radius+c1BoundingSphere.Radius; if (center_dist_sq < min_dist*min_dist) { dir.normalize(); c2.position += dir*(min_dist-sqrt(center_dist_sq)); } } } return false; } </code></pre> <p>Then your update can look more like:</p> <pre><code>for (int x = 0; x <= 29; x++) { for (int y = 0; y <= 29; y++) { if (crate[x, y].getType() == 11 && collisionEnabled) { CorrectCollisions(ref crate[x, y], ref player); } } } </code></pre> <p>I'm not sure what the purpose of the (2,0,2) vector, or the 2/3rds thing is... I've just ignored them to express the concept</p>

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