gyro emulation
files
file/dolphin and image/dolphin contain
- file/dolphin/input_*.zip: builds of input@john-peterson
- file/dolphin/test/user/Config/Profiles/Wiimot: Zelda SS gyro input profiles in "Zelda SS*.ini"
- image/dolphin/m+: pictures
gyro log
the gyro log output
IR wm acc n acc gyro
41:46:028 0.00 -0.00 | 0.03 0.00 1.00 | 0.00 0.00 1.00 | 0.00 -0.00 -0.00 ***
emulated input
gyroscope and accelerometer input
https://github.com/john-peterson/dolphin-emu/blob/input/Source/Core/Core/Src/HW/WiimoteEmu/WiimoteEmu.cpp
in the input settings
- "swing" is a force in the X, Y, Z directions that affect the accelerometer
- "tilt" is a force in the pitch, roll, yaw directions that affect the accelerometer and gyro
Settings
Axis mouse input
Relative mouse input (called "Axis" in the mouse input configuration) should be used because that allow mouse movement input regardless of where the system cursor is compared to absolute input (called "Cursor" in the input configuration) who's input won't change when the cursor is at the screen edge
Range
Range, Gyro Range and Acc Range multiply the output by 0.01 x to 10 x (by setting its range 1 to 1000). The fast modifier activates the gyro fast mode for all three rotation directions, the fast and slow mode is explained here
gyro settle
https://github.com/john-peterson/dolphin-emu/blob/input/Source/Core/InputCommon/Src/ControllerEmu.h#L491
gyro settle determine after how many frames the gyro will return to zero after the wiimote stop moving (the wiimote is constant but not necessarily nonzero)
a high setting, for example 9999, will keep the gyro in constant motion if input is nonzero
Mouse and keyboard
Gyro Sensitivity: 200 works with a standard sensitivity mouse
IR sensitivity: 20 to move the vertical accelerometer position relatively slowly.
Gamepad
Gyro Range: 0.1 provide smooth aiming and a smooth cursor, the range modifier is set at 1000 (10x)
If the Gyro Range is 0.2 the Range modifier should be 500 (5x) to reach 1.0 with max input
Zelda SS
Moves
Swing sword left/right: yaw left/right
Swing sword up/down: pitch up/down
Stab attack: thrust forward + show IR
Spin attack left/right: yaw left/right + nunchuk thrust in any direction
Land/water spin attack up/down: pitch up/down + nunchuk thrust in any direction (or wiimote thrust forward/backward + nunchuk thrust in any direction)
Skyward charge: pitch accelerometer back (gyro range must be lowered enough that it doesn't trigger a swing)
Fatal blow: lock on enemy + wiimote thrust forward + nunchuk thrust forward
Shield: nunchuk thrust in any direction
Roll: dash and nunchuk thrust in any direction
Leap on vine: Nunchuk stick left/right + tilt fast left/right
Balance on the tightrope: Strong yaw input (slow 0.5+ or fast 0.1+)
Key binding
Have the Gyro Range low by default, for example 0.1, to control the cursor and view, and assign a 10 x (range 1000) Gyro Range modifier to a gamepad trigger (or keyboard button or analog stick button) and hold it to perform fast moves; slash sword, leap on vines, swing on rope, shake rope etc.
On the gamepad, bind roll and yaw to the same axis, roll and yaw is used independently in rare occasions only (the boss key for example) so it doesn't hurt, and lets you control the bird or the beetle that use roll.
Use the | OR option with the modifier keys and moves that require multiple input. For example assigning A|B to yaw left and B to Nunchuk thrust makes A yaw left and B do the spin attack.
"Hide IR" should be enabled (and Thrust forward and B should be bound to IR→ Show) because IR restrict horizojntal cursor movement and doesn't have rotation use besides resetting the gyro rotation matrix forward direction
FAQ
Q: Why's the aiming or cursor sensitive
A: Lower the sensitivity setting
Q: Why's the aiming or cursor jumpy
A: Disable Tilt accelerometer input with "Acc. Range"
Q: The cursor is locked along the horizontal axis
A: It's because the cursor can't go to the edge of the screen if IR is visible, turning off IR solve that. Without IR data, 45° yaw move the cursor from one edge of the screen to the other, if additional yaw is applied to cursor move along the screen border
Q: The cursor drift vertically to the center (doesn't affect aiming mode)
A: Too little accelerometer pitch is applied because the IR pointer position is not at the end of the screen, possibly because of too low IR sensitivity, the IR implied pitch code is here, as the IR is pointing at the end of the screen (mouse input -1 or 1) the pitch is pi/4 rad (45°).
Q: Why is the item selection cursor difficult to control?
A: Bind "Thumb R" or B to "Gyro Range 1" that's set to 1000 (10× multiplier) so that adequate gyro range is applied when selecting item. Because the item selection cursor work the same way as the map cursor so that good IR position data control it. Without IR data a 360° degree pitch rotate the cursor past the whole item circle. In the example gamepad configuration and bound to
Q: Why's the Bird, the Beetle and Swimming hard to control? Sometimes the unit moves sideways on its own.
A: Showing IR (that you may have set to the stab attack key) makes these controls easier, just showing IR for for a moment (at the center of the screen position) will reset the gyro rotation matrix so that the unit swim or fly straight again. To gain altitude with the Bird repeatedly dive and immediately call the Bird.
Q: Why is it hard to rotate the sword to enable the Skyview Temple Eye Switch?
A: A perfect circle can be created without IR data but IR data is important to reset the gyro rotation matrix forward direction
Q: How do I reset the sword neutral position (gyro rotation matrix)?
A: Show IR for a moment
Q: How do I pull the Goddess Sword out of the stone in the Goddess Statue?
A. Tilt 90° (full tilt input at 100 acc. range) downward and thrust backward
Red Steel 2
Moves
Swing sword left/right: yaw left/right
Swing sword up/down: pitch up/down
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