encounter/SDL
1
0
Fork 0
mirror of https://github.com/encounter/SDL.git synced 2025-12-08 13:15:10 +00:00
Code Issues Packages Projects Releases Wiki Activity

Added SDL_JoystickRumbleTriggers() and SDL_GameControllerRumbleTriggers()

Browse Source
This commit is contained in:
Sam Lantinga
2020-11-11 18:57:37 -08:00
parent 067630aef3
commit 1e2caac58b
28 changed files with 326 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
test/testgamecontroller.c
View File

@@ -114,6 +114,17 @@ UpdateWindowTitle()
}
}
static Uint16 ConvertAxisToRumble(Sint16 axis)
{
/* Only start rumbling if the axis is past the halfway point */
const int half_axis = (SDL_JOYSTICK_AXIS_MAX / 2);
if (axis > half_axis) {
return (Uint16)(axis - half_axis) * 4;
} else {
return 0;
}
}
void
loop(void *arg)
{
@@ -227,6 +238,16 @@ loop(void *arg)
Uint16 high_frequency_rumble = SDL_GameControllerGetAxis(gamecontroller, SDL_CONTROLLER_AXIS_TRIGGERRIGHT) * 2;
SDL_GameControllerRumble(gamecontroller, low_frequency_rumble, high_frequency_rumble, 250);
}
/* Update trigger rumble based on thumbstick state */
{
Sint16 left_y = SDL_GameControllerGetAxis(gamecontroller, SDL_CONTROLLER_AXIS_LEFTY);
Sint16 right_y = SDL_GameControllerGetAxis(gamecontroller, SDL_CONTROLLER_AXIS_RIGHTY);
Uint16 left_rumble = ConvertAxisToRumble(~left_y);
Uint16 right_rumble = ConvertAxisToRumble(~right_y);
SDL_GameControllerRumbleTriggers(gamecontroller, left_rumble, right_rumble, 250);
}
}
SDL_RenderPresent(screen);