// Transform
Vector3 exchangeTransformVector(Vector3 pVelocity, RacketPosition pRacketPos)
{
Vector3 v = pVelocity;
if (pRacketPos == RacketPosition.BOTTOM) // BOTTOM → そのまま
{
return(v);
}
else if (pRacketPos == RacketPosition.TOP) // TOP
{
v.x = -v.x;
v.z += z_diff_vertical;
}
else if (pRacketPos == RacketPosition.LEFT) // LEFT
// XとZを交代
{
float tmp = -(v.x - x_diff_horizontal) * STAGE_HEIGHT / STAGE_WIDTH;
v.x = -x_diff_horizontal;
v.z = v.z - z_diff_horizontal + tmp + STAGE_HEIGHT / 2;
}
else // RIGHT
{
float tmp = (v.x - x_diff_horizontal) * STAGE_HEIGHT / STAGE_WIDTH;
v.x = x_diff_horizontal;
v.z = z_diff_horizontal + tmp + STAGE_HEIGHT / 2;
}
return(v);
}
// Velocity
Vector3 exchangeVelocityVector(Vector3 pVelocity, RacketPosition pRacketPos)
{
Vector3 v = pVelocity;
if (pRacketPos == RacketPosition.BOTTOM)
{
return(v);
}
else if (pRacketPos == RacketPosition.TOP)
{
v.x = -v.x;
}
else if (pRacketPos == RacketPosition.LEFT)
{
float tmp = -v.x * STAGE_HEIGHT / STAGE_WIDTH;
v.x = v.z;
v.z = tmp;
}
else // RIGHT
{
float tmp = v.x * STAGE_HEIGHT / STAGE_WIDTH;
v.x = v.z;
v.z = tmp;
}
return(v);
}
Vector3 exchangeVector(Vector3 pVelocity, RacketPosition pRacketPos, bool pIsVelocity = true)
{
Vector3 v = pVelocity;
if (pIsVelocity)
{
v = exchangeVelocityVector(v, pRacketPos);
}
else
{
v = exchangeTransformVector(v, pRacketPos);
}
return(v);
}
