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Ive got a ship, with 16 animations of it rotating around, full 360. I looked at the demo for the Moon Defender and figured out to make it rotate in the direction towards the mouse, but my problem is its backwards. If I point the mouse up the ship is facing down. So, how would I fix that? Here is the code

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double mouseangle = direction(xscreen, yscreen, xmouse, ymouse);
animpos = (mouseangle/360.0)*(nframes);

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animpos = (mouseangle/360.0)*(nframes);

Fix:

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animpos = (mouseangle/180.0)*(nframes);

the number is 180. In the MoonDefender program it is 180. That is half of 360

No I understood that part, and I want mine to do a full 360 rotation, but the problem is that its not facing towards the mouse. Like if I move my mouse to the left, the ship rotates towards the right and is opposite the mouse.

Maby your rotation frames are going in the wrong order...
Which way is it rotating, clockwise or anticlockwise

The animations are clockwise, and the ship moves counterclockwise

ALK3_Steph wrote:Ive got a ship, with 16 animations of it rotating around, full 360. I looked at the demo for the Moon Defender and figured out to make it rotate in the direction towards the mouse, but my problem is its backwards. If I point the mouse up the ship is facing down. So, how would I fix that? Here is the code

Code: Select all

double mouseangle = direction(xscreen, yscreen, xmouse, ymouse);
animpos = (mouseangle/360.0)*(nframes);

Your code is ok. You need a counterclockwise animation like the rocket*.png in Moondefender demo (http://game-editor.com/games/moondefender.zip)

I thought so. The opposite frame is pointing at the mouse