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new joystick math

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dborth 2012-01-27 02:34:38 +00:00
parent 9c933cf7df
commit 48961d6db0
1 changed files with 24 additions and 81 deletions
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105
source/input.cpp
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@ -317,58 +317,32 @@ void systemGameRumbleOnlyFor(int OnlyRumbleForFrames) {
u32 StandardMovement(unsigned short chan) u32 StandardMovement(unsigned short chan)
{ {
u32 J = 0; u32 J = 0;
double angle;
static const double THRES = 1.0 / sqrt(2.0);
s8 pad_x = userInput[chan].pad.stickX; s8 pad_x = userInput[chan].pad.stickX;
s8 pad_y = userInput[chan].pad.stickY; s8 pad_y = userInput[chan].pad.stickY;
#ifdef HW_RVL #ifdef HW_RVL
s8 wm_ax = userInput[0].WPAD_StickX(0); s8 wm_ax = userInput[0].WPAD_StickX(0);
s8 wm_ay = userInput[0].WPAD_StickY(0); s8 wm_ay = userInput[0].WPAD_StickY(0);
#endif #endif
/*** /***
Gamecube Joystick input, same as normal Gamecube Joystick input, same as normal
***/ ***/
// Is XY inside the "zone"? // Is XY inside the "zone"?
if (pad_x * pad_x + pad_y * pad_y > PADCAL * PADCAL) if (pad_x * pad_x + pad_y * pad_y > PADCAL * PADCAL)
{ {
if (pad_y == 0) angle = atan2(pad_y, pad_x);
{
if(pad_x > 0) if(cos(angle) > THRES)
{ J |= VBA_RIGHT;
J |= VBA_RIGHT; else if(cos(angle) < -THRES)
} J |= VBA_LEFT;
else if(pad_x < 0) if(sin(angle) > THRES)
{ J |= VBA_UP;
J |= VBA_LEFT; else if(sin(angle) < -THRES)
} J |= VBA_DOWN;
}
if (pad_x == 0)
{
if(pad_y > 0)
{
J |= VBA_UP;
}
else if(pad_y < 0)
{
J |= VBA_DOWN;
}
}
if ((pad_x|pad_y) != 0)
{
if ((fabs((double)(pad_y) / (double)(pad_x))) < 2.41421356237)
{
if (pad_x >= 0)
J |= VBA_RIGHT;
else
J |= VBA_LEFT;
}
if ((fabs((double)(pad_x) / (double)(pad_y))) < 2.41421356237)
{
if (pad_y >= 0)
J |= VBA_UP;
else
J |= VBA_DOWN;
}
}
} }
#ifdef HW_RVL #ifdef HW_RVL
/*** /***
@ -377,47 +351,16 @@ u32 StandardMovement(unsigned short chan)
// Is XY inside the "zone"? // Is XY inside the "zone"?
if (wm_ax * wm_ax + wm_ay * wm_ay > PADCAL * PADCAL) if (wm_ax * wm_ax + wm_ay * wm_ay > PADCAL * PADCAL)
{ {
/*** we don't want division by zero ***/ angle = atan2(wm_ay, wm_ax);
if (wm_ay == 0)
{ if(cos(angle) > THRES)
if(wm_ax > 0) J |= VBA_RIGHT;
{ else if(cos(angle) < -THRES)
J |= VBA_RIGHT; J |= VBA_LEFT;
} if(sin(angle) > THRES)
else if(pad_x < 0) J |= VBA_UP;
{ else if(sin(angle) < -THRES)
J |= VBA_LEFT; J |= VBA_DOWN;
}
}
if (wm_ax == 0)
{
if(wm_ay > 0)
{
J |= VBA_UP;
}
else if(pad_y < 0)
{
J |= VBA_DOWN;
}
}
if (wm_ax != 0 && wm_ay != 0)
{
if ((fabs((double)(wm_ay) / (double)(wm_ax))) < 2.41421356237)
{
if (wm_ax >= 0)
J |= VBA_RIGHT;
else
J |= VBA_LEFT;
}
if ((fabs((double)(wm_ax) / (double)(wm_ay))) < 2.41421356237)
{
if (wm_ay >= 0)
J |= VBA_UP;
else
J |= VBA_DOWN;
}
}
} }
#endif #endif
return J; return J;