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  Trouble figuring out a Catapult simulation  (Read 1291 times)
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Offline scanevaro
« Posted 2014-03-05 21:36:37 »

I want to make a game similar to this one and cant figure out how to move the "tomato"

<a href="http://www.youtube.com/v/YktWSKo_UbA?version=3&amp;hl=en_US&amp;start=" target="_blank">http://www.youtube.com/v/YktWSKo_UbA?version=3&amp;hl=en_US&amp;start=</a>

I know that i can get Y from the position of the yellow line in the middle.
What i cant figure out is how to set when the "tomato" will hit the ground.

Some help please?
Offline tom_mai78101
« Reply #1 - Posted 2014-03-29 01:35:06 »

2D projectile arc + matrix calculation.

Calculate how an object moves when you it at an angle facing X axis, on a 2D Cartesian plane.

Then use 3D matrix calculation to rotate the arc by its yaw, to the direction of the vector going through the screen.
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