iphone - box2D: move body to the point(touchesEnded) -


i'm new box2d , need move body , sprite center point there contact low rate, tried use projectile-> settransform (b2vec2 (location.x / ptm_ratio, location.y / ptm_ratio), 0); movement fast , no noticeable

i dont know try applyforce or applyimpulse property


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