0

(I know I have a bad choosing-answer record, but I will definitely select a good answer from now on.)

Unity3d problem:

My terrain and car both have rigid bodies that use gravity.

When I push play it looks like the scenery/island falls away or either the car rises. Since the transform y-coordinate changes when the car rises, I'm assuming it's the car that is flying away. It is supposed to stay on the cement ground.

Any ideas? Thanks.

user963070
  • 629
  • 2
  • 19
  • 24
  • Clarification: it looks like the car's Y stays constant and the rest of the world falls away. – user963070 Jun 08 '12 at 01:34
  • Weird thing that I don't understand: The X-Y-Z box that indicates where a model is is way below the car. The car was has a neon green ring around it with a line coming up from the button to meet where it is at the center. I don't get this. Shouldn't the box be where the model car is? – user963070 Jun 08 '12 at 01:39
  • Also, when placed above ground, the car starts flipping and goes upwards on play. – user963070 Jun 08 '12 at 02:23
  • Sorry, the y values of the car do diminish. – user963070 Jun 08 '12 at 02:28
  • Weird, it doesn't rise when I turn of Wheel Collision, but it doesn't fall to the road,either. – user963070 Jun 08 '12 at 02:43

2 Answers2

1

Your ground should not have a rigidbody, this will cause it to start falling through the world space and your car with it. Have you tried just placing a collider on the ground?

Liam Brocklehurst
  • 163
  • 1
  • 7
1

The terrain shouldn't have a rigid body or use gravity enabled. It will fall until it hits something else with a collider (and there's likely nothing below the terrain). Remove the rigid body on the terrain then assess other problems.

zite
  • 81
  • 4