public static EagleSettings Lerp(EagleSettings es1, EagleSettings es2, float t)
{
return(new EagleSettings()
{
FrameSet = EagleAnim.FrameSet.Lerp(es1.FrameSet, es2.FrameSet, t),
Angle = Mathf.Lerp(es1.Angle, es2.Angle, t),
FpsScale = Mathf.Lerp(es1.FpsScale, es2.FpsScale, t),
animLoopType = t > 0.5 ? es2.animLoopType : es1.animLoopType
});
}
private void Update()
{
// get input
var input = new Vector2(
Input.GetAxis("Horizontal"),
Input.GetAxis("Vertical")
);
// map square input to circle, to maintain uniform speed in all directions
_inputCircular = new Vector2(
input.x * Mathf.Sqrt(1 - input.y * input.y * 0.5f),
input.y * Mathf.Sqrt(1 - input.x * input.x * 0.5f)
);
EagleAnim.FrameSet currentFrameSet;
EagleAnim.AnimLoopType currentAnimLoopType = EagleAnim.AnimLoopType.PingPong;
float currentFpsScale;
float currentAngle = 0;
EagleSettings currentSettings = Settings_Y_0_X_0;
float tx = _inputCircular.x;
float ty = _inputCircular.y;
// split it into quadrants
// | 2 | 1 |
// |_________|_________|
// | | |
// | 3 | 4 |
float t;
if (tx > 0)
{
if (ty > 0)
{ // 1
t = Vector2.Angle(Vector2.right, _inputCircular) / 90f;
currentSettings = EagleSettings.Lerp(Settings_X_POS1, Settings_Y_POS1, t);
}
else
{ // 4
t = Vector2.Angle(Vector2.down, _inputCircular) / 90f;
currentSettings = EagleSettings.Lerp(Settings_Y_NEG1, Settings_X_POS1, t);
}
}
else
{
if (ty > 0)
{ // 2
t = Vector2.Angle(Vector2.up, _inputCircular) / 90f;
currentSettings = EagleSettings.Lerp(Settings_Y_POS1, Settings_X_NEG1, t);
}
else
{ // 3
t = Vector2.Angle(Vector2.left, _inputCircular) / 90f;
currentSettings = EagleSettings.Lerp(Settings_X_NEG1, Settings_Y_NEG1, t);
}
}
currentSettings = EagleSettings.Lerp(Settings_Y_0_X_0, currentSettings, _inputCircular.magnitude);
// // lerp on x first, then on Y, but in practise it doesn't matter
// if (input.x < 0)
// {
// currentFrameSet = EagleAnim.FrameSet.Lerp(Settings_Y_0_X_0.FrameSet, Settings_X_NEG1.FrameSet, tx);
// currentFpsScale = Mathf.Lerp(Settings_Y_0_X_0.FpsScale, Settings_X_NEG1.FpsScale,tx);
// currentAngle = Mathf.Lerp(Settings_Y_0_X_0.Angle, Settings_X_NEG1.Angle, tx);
// }
// else
// {
// currentFrameSet = EagleAnim.FrameSet.Lerp(Settings_Y_0_X_0.FrameSet, Settings_X_POS1.FrameSet, tx);
// currentFpsScale = Mathf.Lerp(Settings_Y_0_X_0.FpsScale, Settings_X_POS1.FpsScale,tx);
// currentAngle = Mathf.Lerp(Settings_Y_0_X_0.Angle, Settings_X_POS1.Angle, tx);
// }
// if (input.y < 0)
// {
// currentFrameSet = EagleAnim.FrameSet.Lerp(currentFrameSet, Settings_Y_NEG1.FrameSet, ty);
// currentFpsScale = Mathf.Lerp(currentFpsScale, Settings_Y_NEG1.FpsScale,ty);
// currentAngle = Mathf.Lerp(currentAngle, Settings_Y_NEG1.Angle, ty);
// //currentAnimLoopType = Settings_Y_NEG1.animLoopType;
// }
// else
// {
// currentFrameSet = EagleAnim.FrameSet.Lerp(currentFrameSet, Settings_Y_POS1.FrameSet, ty);
// currentFpsScale = Mathf.Lerp(currentFpsScale, Settings_Y_POS1.FpsScale,ty);
// currentAngle = Mathf.Lerp(currentAngle, Settings_Y_POS1.Angle, ty);
// //currentAnimLoopType = Settings_Y_POS1.animLoopType;
// }
_eagleAnim.SetFrameSet(currentSettings.FrameSet);
_eagleAnim.SetAnimType(currentSettings.animLoopType);
_eagleAnim.SetFpsScale(currentSettings.FpsScale);
_eagleMovement.LerpMovementSpeed(_inputCircular);
transform.rotation = Quaternion.Euler(0, 0, currentSettings.Angle);
}