if(key_cuu)&&(player_speed.x > -100)
{
player_speed.x -= cos (winkel) * 3 *time_step;
player_speed.y -= sin (winkel) * 3 *time_step;
}

if(key_cud)&&(player_speed.x < 100)
{
player_speed.x += cos (winkel) * 3 *time_step;
player_speed.y += sin (winkel) * 3 *time_step;
}

Hello everyone my name is Ivan Mandic from "Frozen pixel studio". wink
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Homepage: www.fpx-studio.com
e-mail: emu_hunter_1990@hotmail.com
(working on a game engine)