public static CommandDelegate ChangeTo(Ref <Rect> rect, Rect endRect, double duration, Vector2 anchorPoint,
CommandEase ease = null)
{
CheckArgumentNonNull(rect, "rect");
Rect startRect = new Rect();
Vector2 startAnchorPoint = Vector2.zero;
Vector2 endAnchorPoint = Vector2.zero;
return(Cmd.Sequence(
Cmd.Do(delegate()
{
startRect = rect.Value;
startAnchorPoint = new Vector2(
startRect.x + startRect.width * anchorPoint.x,
startRect.y + startRect.height * anchorPoint.y
);
endAnchorPoint = new Vector2(
endRect.x + endRect.width * anchorPoint.x,
endRect.y + endRect.height * anchorPoint.y
);
}),
Cmd.Duration(delegate(double t)
{
Rect newRect = new Rect();
newRect.width = (endRect.width - startRect.width) * (float)t + startRect.width;
newRect.height = (endRect.height - startRect.height) * (float)t + startRect.height;
Vector2 newAnchorPoint = Vector2.Lerp(startAnchorPoint, endAnchorPoint, (float)t);
newRect.x = newAnchorPoint.x - anchorPoint.x * newRect.width;
newRect.y = newAnchorPoint.y - anchorPoint.y * newRect.height;
rect.Value = newRect;
}, duration, ease)
));
}
/// <summary>
/// Takes an Enumerable of a given type, and a function that converts
/// T into a CommandDelegate, the executes them in parallel.
/// </summary>
/// <param name="collection">A collection of objects.</param>
/// <param name="factory">The conversion method.</param>
/// <param name="delay"> Each successive element in the collection is delayed by delay * index.</param>
public static CommandDelegate ForEachParallelWithDelay <T>(this IEnumerable <T> collection,
Func <T, CommandDelegate> factory, double delay)
{
CheckArgumentNonNull(collection, "collection");
CheckArgumentNonNull(factory, "factory");
CheckDurationGreaterThanZero(delay);
var commands = new List <CommandDelegate>();
double totalDelay = 0f;
foreach (var item in collection)
{
CommandDelegate output = factory(item);
if (totalDelay > 0.0)
{
output = Cmd.Sequence(
Cmd.WaitForSeconds(totalDelay),
output
);
}
totalDelay += delay;
commands.Add(output);
}
return(Cmd.Parallel(commands.ToArray()));
}
/// <summary>
/// Oscilates a quaternion.
/// </summary>
/// <param name="amount"> The amount to wiggle by in degrees.</param>
/// <param name="axis"> The axis to wiggle around </param>
public static CommandDelegate Wiggle(Ref <Quaternion> rotation, float amount, double duration, Vector3 axis)
{
CheckArgumentNonNull(rotation, "rotation");
Quaternion startQuaternion = Quaternion.identity;
float val = 0.0f;
Ref <float> floatRef = new Ref <float>(
() => val,
(t) =>
{
val = t;
rotation.Value = startQuaternion * Quaternion.AngleAxis(val, axis);
}
);
return(Cmd.Sequence(
Cmd.Do(() =>
{
startQuaternion = rotation.Value;
val = 0.0f;
}),
Cmd.Oscillate(
floatRef, amount, duration, Ease.Smooth()
)
));
}
public static void TestTintFrom()
{
Color colourStart = new Color(0.4f, 0.2f, 0.7f, 0.5f);
Color colourEnd = new Color(0.3f, 0.4f, 0.15f, 0.25f);
Color colourVal = colourStart;
Ref <Color> colourRef = new Ref <Color>(
() => colourVal,
t => colourVal = t
);
CommandQueue queue = new CommandQueue();
queue.Sequence(
Cmd.Repeat(2,
Cmd.Sequence(
Cmd.TintFrom(colourRef, colourEnd, 1.0),
Cmd.WaitForFrames(1)
)
)
);
queue.Update(0.2);
AreEqual(colourVal, colourStart * 0.2f + colourEnd * 0.8f, 0.001f);
colourVal = colourStart;
queue.Update(0.8);
AreEqual(colourVal, colourStart, 0.001f);
queue.Update(0.0);
queue.Update(0.5);
AreEqual(colourVal, colourStart * 0.5f + colourEnd * 0.5f, 0.001f);
}
/// <summary>
/// Oscillates around a value. This will animation from
/// startValue > startValue + amount > startValue - amount- > startValue,
/// in a smooth circular motion.
/// </summary>
/// <param name="amount">
/// The maximum amount to oscillate away from the default value.
/// </param>
public static CommandDelegate Oscillate(Ref <float> single, float amount, double duration,
CommandEase ease = null)
{
CheckArgumentNonNull(single, "single");
float baseValue = 0f;
return(Cmd.Sequence(
Cmd.Do(() => baseValue = single.Value),
Cmd.Duration(t => { single.Value = baseValue + Mathf.Sin((float)t * 2f * Mathf.PI) * amount; },
duration, ease)
));
}
public static CommandDelegate TintTo(Ref <Color> color, Color endColor, double duration, CommandEase ease = null)
{
CheckArgumentNonNull(color, "color");
Color startColor = Color.white;
return(Cmd.Sequence(
Cmd.Do(delegate() { startColor = color.Value; }),
Cmd.Duration(delegate(double t) { color.Value = Color.Lerp(startColor, endColor, (float)t); },
duration, ease)
));
}
public static CommandDelegate ChangeTo(Ref <Vector2> vector, Vector2 endVector, double duration,
CommandEase ease = null)
{
CheckArgumentNonNull(vector, "vector");
Vector2 startVector = Vector2.zero;
return(Cmd.Sequence(
Cmd.Do(delegate() { startVector = vector.Value; }),
Cmd.Duration(delegate(double t) { vector.Value = (endVector - startVector) * (float)t + startVector; },
duration, ease)
));
}
public static void TestTiming()
{
CommandQueue queue = new CommandQueue();
const double FIRST_Command_DURATION = 4.5;
const double SECOND_Command_DURATION = 1.0;
const double WAIT_DURATION = 1.5;
const int REPEAT_COUNT = 8640;
double lastT = 0.0;
// This test ensures that between alternating CommandDurations,
// there is no accumulation of error in timing. We use a repeat
// here to accentuate the error.
queue.Enqueue(
Cmd.Repeat(REPEAT_COUNT,
Cmd.Sequence(
Cmd.WaitForSeconds(WAIT_DURATION),
Cmd.Do(() => lastT = 0.0),
Cmd.Duration((t) => {
Assert.IsTrue(t <= 1.0);
Assert.IsTrue(lastT <= t);
lastT = t;
}, FIRST_Command_DURATION),
Cmd.Do(() => lastT = 0.0),
Cmd.Parallel(
Cmd.Duration((t) => {}, SECOND_Command_DURATION / 2.0),
// The following two Duration Cmd should finish in the same Update call.
Cmd.Duration((t) => {}, SECOND_Command_DURATION - (DELTA_TIME_RATE / 2.0)),
Cmd.Duration((t) => {
Assert.IsTrue(t <= 1.0);
Assert.IsTrue(lastT <= t);
lastT = t;
}, SECOND_Command_DURATION)
)
)
)
);
double totalTime = 0.0;
while (!queue.Update(DELTA_TIME_RATE))
{
totalTime += DELTA_TIME_RATE;
}
const double EXPECTED_TIME = (FIRST_Command_DURATION + SECOND_Command_DURATION + WAIT_DURATION) * REPEAT_COUNT;
Assert.AreEqual(totalTime, EXPECTED_TIME, DELTA_TIME_RATE, "Time delta accumulation too large.");
}
public static CommandDelegate TintBy(Ref <Color> color, Color offset, double duration, CommandEase ease = null)
{
CheckArgumentNonNull(color, "color");
double lastT = 0.0;
return(Cmd.Sequence(
Cmd.Do(delegate() { lastT = 0.0; }),
Cmd.Duration(delegate(double t)
{
color.Value += offset * (float)(t - lastT);
lastT = t;
}, duration, ease)
));
}
/// <summary>
/// Takes an Enumerable of a given type, and a function that converts
/// T into a CommandDelegate, the executes them sequentially.
/// </summary>
/// <param name="collection">A collection of objects.</param>
/// <param name="factory">The conversion method.</param>
public static CommandDelegate ForEachSequence <T>(this IEnumerable <T> collection,
Func <T, CommandDelegate> factory)
{
CheckArgumentNonNull(collection, "collection");
CheckArgumentNonNull(factory, "factory");
var commands = new List <CommandDelegate>();
foreach (var item in collection)
{
CommandDelegate output = factory(item);
commands.Add(output);
}
return(Cmd.Sequence(commands.ToArray()));
}
/// <summary>
/// Performs a squash and stretch animation, while changing from a target scale.
/// </summary>
/// <param name="scale">The value to animate.</param>
/// <param name="startScale">The scale to animate from.</param>
/// <param name="amplitude">The amplitude of a squash and strech</param>
/// <param name="duration">The duration of the animation</param>
/// <param name="normal"> The normal of the animation. </param>
/// <param name="tangent"> The tangent of the animation. </param>
public static CommandDelegate ScaleSquashAndStretchFrom(Ref <Vector3> scale, Vector3 startScale, float amplitude,
double duration, Vector3 normal, Vector3 tangent)
{
CheckArgumentNonNull(scale, "scale");
Vector3 targetScale = Vector3.zero;
return(Cmd.Sequence(
Cmd.Do(() =>
{
targetScale = scale.Value;
scale.Value = startScale;
}),
Cmd.Defer(() => Cmd.ScaleSquashAndStretchTo(scale, targetScale, amplitude, duration, normal, tangent))
));
}
/// <summary>
/// Shakes the vector several times in a random value, up to amount in magnitude.
/// </summary>
/// <param name="amount">The maximum displacement of the rotation, in degrees.</param>
/// <param name="numShakes"> The number of shakes to perform. </param>
public static CommandDelegate Shake(Ref <Quaternion> rotation, float amount, int numShakes, double duration)
{
CheckArgumentNonNull(rotation);
if (amount <= 0f || amount > 180f)
{
throw new ArgumentOutOfRangeException("amount", "Must be larger than 0.");
}
if (numShakes <= 0)
{
throw new ArgumentOutOfRangeException("numBounces", "Must be larger than 0.");
}
amount = Mathf.Abs(amount);
double avgDuration = duration / (numShakes + 1);
CommandDelegate[] list = new CommandDelegate[numShakes + 1];
return(Cmd.Defer(
() =>
{
var baseVal = rotation.Value;
for (int i = 0; i < numShakes; ++i)
{
// Generate an offset within the range -amount, amount
var offset = Quaternion.Euler(
UnityEngine.Random.Range(-amount, amount),
UnityEngine.Random.Range(-amount, amount),
UnityEngine.Random.Range(-amount, amount)
);
float angle = Quaternion.Angle(Quaternion.identity, offset);
// Clamp the offset
if (angle > amount)
{
float t = UnityEngine.Random.Range(0f, angle / amount);
offset = Quaternion.LerpUnclamped(Quaternion.identity, offset, t);
}
list[i] = Cmd.RotateTo(rotation, baseVal * offset, avgDuration);
}
list[numShakes] = Cmd.RotateTo(rotation, baseVal, avgDuration);
return Cmd.Sequence(list);
}
));
}
public static CommandDelegate RotateFrom(Ref <Quaternion> rotation, Quaternion startRotation, double duration,
CommandEase ease = null)
{
CheckArgumentNonNull(rotation, "rotation");
Quaternion endRotation = Quaternion.identity;
return(Cmd.Sequence(
Cmd.Do(delegate() { endRotation = rotation.Value; }),
Cmd.Duration(
delegate(double t)
{
rotation.Value = Quaternion.LerpUnclamped(startRotation, endRotation, (float)t);
}, duration, ease)
));
}
public static CommandDelegate ChangeBy(Ref <Vector2> vector, Vector2 offset, double duration,
CommandEase ease = null)
{
CheckArgumentNonNull(vector, "vector");
double lastT = 0.0;
return(Cmd.Sequence(
Cmd.Do(delegate() { lastT = 0.0; }),
Cmd.Duration(delegate(double t)
{
vector.Value += offset * (float)(t - lastT);
lastT = t;
}, duration, ease)
));
}
/// <summary>
/// Pulsates a value.
/// </summary>
/// <param name="amount">The amount to increase the value by.</param>
public static CommandDelegate PulsateScale(Ref <float> scale, float amount, double duration)
{
CheckArgumentNonNull(scale, "scale");
CommandDelegate tweenBack = null;
return(Cmd.Sequence(
Cmd.Do(() =>
{
// Because we don't know what the original scale is at this point,
// we have to recreate the scale back tween every time.
tweenBack = Cmd.ChangeTo(scale, scale.Value, duration / 2.0, Ease.Smooth());
}),
Cmd.ChangeBy(scale, amount, duration / 2.0, Ease.Smooth()),
Cmd.Defer(() => tweenBack)
));
}
public static void TestRequire()
{
CommandQueue queue = new CommandQueue();
bool shouldStop = false;
bool didFinish = false;
int callCount = 0;
queue.Enqueue(
Cmd.RepeatForever(
Cmd.Require(() => !shouldStop,
() => Cmd.RepeatForever(
Cmd.Sequence(
Cmd.Do(() => callCount++),
Cmd.WaitForFrames(1)
)
)
),
Cmd.Do(() => didFinish = true),
Cmd.WaitForFrames(1)
)
);
Assert.AreEqual(callCount, 0);
queue.Update(1.0f);
Assert.AreEqual(callCount, 1);
queue.Update(1.0f);
Assert.AreEqual(callCount, 2);
queue.Update(1.0f);
Assert.AreEqual(callCount, 3);
// Require should only re-evaluate on next update.
shouldStop = true;
Assert.AreEqual(didFinish, false);
queue.Update(1.0f);
Assert.AreEqual(callCount, 3);
Assert.AreEqual(didFinish, true);
queue.Update(1.0f);
Assert.AreEqual(callCount, 3);
Assert.AreEqual(didFinish, true);
shouldStop = false;
queue.Update(1.0f);
Assert.AreEqual(callCount, 4);
Assert.AreEqual(didFinish, true);
}
/// <summary>
/// Performs a squash and stretch animation, while changing to a target scale.
/// </summary>
/// <param name="scale">The value to animate.</param>
/// <param name="endScale">The final scale.</param>
/// <param name="amplitude">The amplitude of a squash and strech</param>
/// <param name="duration">The duration of the animation</param>
/// <param name="normal"> The normal of the animation. </param>
/// <param name="tangent"> The tangent of the animation. </param>
public static CommandDelegate ScaleSquashAndStretchTo(Ref <Vector3> scale, Vector3 endScale, float amplitude,
double duration, Vector3 normal, Vector3 tangent)
{
CheckArgumentNonNull(scale, "scale");
var squashRef = Ref <Vector3> .Create(Vector3.one);
var scaleRef = Ref <Vector3> .Create();
return(Cmd.Sequence(
Cmd.Do(() => scaleRef.Value = scale.Value),
Cmd.Parallel(
SquashAndStretch(squashRef, amplitude, duration, normal, tangent),
Cmd.ChangeTo(scaleRef, endScale, duration / 4, Ease.Smooth()),
Cmd.Duration(t => scale.Value = Vector3.Scale(squashRef.Value, scaleRef.Value), duration)
)
));
}
public static void TestRotateFrom()
{
Quaternion quatStart = Quaternion.Euler(10.0f, 20.0f, 30.0f);
Quaternion quatEnd = Quaternion.Euler(30.0f, 20.0f, 10.0f);
Quaternion quatVal = quatStart;
Ref <Quaternion> quatRef = new Ref <Quaternion>(
() => quatVal,
t => quatVal = t
);
CommandQueue queue = new CommandQueue();
queue.Enqueue(
Cmd.Repeat(2,
Cmd.Sequence(
Cmd.RotateFrom(quatRef, quatEnd, 1.0),
Cmd.WaitForFrames(1)
)
)
);
queue.Update(0.5);
AreEqual(quatVal, Quaternion.Slerp(quatEnd, quatStart, 0.5f), 0.000001f);
quatVal = Quaternion.identity;
queue.Update(0.5);
AreEqual(quatVal, quatStart, 0.000001f);
queue.Update(0.0);
queue.Update(0.5);
AreEqual(quatVal, Quaternion.Slerp(quatEnd, quatStart, 0.5f), 0.000001f);
// Make sure the rotation ends in the correct position when given a complex easing function.
queue = new CommandQueue();
quatVal = quatStart;
queue.Enqueue(
Cmd.RotateFrom(quatRef, quatEnd, 1f, Ease.OutElastic())
);
while (!queue.Update(1 / 30f))
{
}
AreEqual(quatVal, quatStart, 0.001f);
}
public static CommandDelegate RotateBy(Ref <Quaternion> rotation, Quaternion offsetRotation, double duration,
CommandEase ease = null)
{
CheckArgumentNonNull(rotation, "rotation");
double lastT = 0.0;
return(Cmd.Sequence(
Cmd.Do(delegate() { lastT = 0.0; }),
Cmd.Duration(delegate(double t)
{
rotation.Value *= Quaternion.LerpUnclamped(Quaternion.identity, offsetRotation, (float)t) *
Quaternion.Inverse(Quaternion.LerpUnclamped(Quaternion.identity, offsetRotation,
(float)lastT));
lastT = t;
}, duration, ease)
));
}
public static CommandDelegate ScaleBy(Ref <Vector2> scale, Vector2 scaleFactor, double duration,
CommandEase ease = null)
{
CheckArgumentNonNull(scale, "scale");
Vector2 lastScaleFactor = Vector2.one;
return(Cmd.Sequence(
Cmd.Do(delegate() { lastScaleFactor = Vector2.one; }),
Cmd.Duration(delegate(double t)
{
Vector2 newScaleFactor = (float)t * (scaleFactor - Vector2.one) + Vector2.one;
scale.Value = new Vector2(
scale.Value.x * newScaleFactor.x / lastScaleFactor.x,
scale.Value.y * newScaleFactor.y / lastScaleFactor.y
);
lastScaleFactor = newScaleFactor;
}, duration, ease)
));
}
public static CommandDelegate TintBy(Ref <Color32> color, Color32 offset, double duration,
CommandEase ease = null)
{
CheckArgumentNonNull(color, "color");
double lastT = 0.0;
return(Cmd.Sequence(
Cmd.Do(delegate() { lastT = 0.0; }),
Cmd.Duration(delegate(double t)
{
color.Value = new Color32(
(byte)(color.Value.r + offset.r * (t - lastT)),
(byte)(color.Value.g + offset.g * (t - lastT)),
(byte)(color.Value.b + offset.b * (t - lastT)),
(byte)(color.Value.a + offset.a * (t - lastT))
);
lastT = t;
}, duration, ease)
));
}
/// <summary>
/// Shakes the vector several times in a random value, up to amount in magnitude.
/// </summary>
/// <param name="amount">The maximum displacement of the vector, with separate x,y and z values.</param>
/// <param name="numShakes"> The number of shakes to perform. </param>
public static CommandDelegate Shake(Ref <Vector3> vector, Vector3 amount, int numShakes, double duration)
{
CheckArgumentNonNull(vector);
if (numShakes <= 0)
{
throw new ArgumentOutOfRangeException("numBounces", "Must be larger than 0.");
}
double avgDuration = duration / (numShakes + 1);
CommandDelegate[] list = new CommandDelegate[numShakes + 1];
return(Cmd.Defer(
() =>
{
var baseVal = vector.Value;
for (int i = 0; i < numShakes; ++i)
{
// Generate an offset within the range -1, 1
var offset = new Vector3(
UnityEngine.Random.Range(-1f, 1f),
UnityEngine.Random.Range(-1f, 1f),
UnityEngine.Random.Range(-1f, 1f)
);
if (offset.magnitude > 1f)
{
// Randomize the length of the offset if it is too large.
offset = offset.normalized * UnityEngine.Random.Range(0f, 1f);
}
// Scale the offset, by the amount, and the scale factor.
offset = new Vector3(offset.x * amount.x, offset.y * amount.y, offset.z * amount.z);
list[i] = Cmd.ChangeTo(vector, baseVal + offset, avgDuration);
}
list[numShakes] = Cmd.ChangeTo(vector, baseVal, avgDuration);
return Cmd.Sequence(list);
}
));
}
/// <summary>
/// Wobble a value. This oscilates a value, with a decay.
/// </summary>
/// <param name="amplitude">Amplitude.</param>
/// <param name="duration">Duration.</param>
public static CommandDelegate Wobble(Ref <float> single, float amount, double duration)
{
CheckArgumentNonNull(single, "val");
float intervals = 3f;
float decay = Mathf.Log(100f * amount);
float baseVal = 0f;
return(Cmd.Sequence(
Cmd.Do(() => { baseVal = single.Value; }),
Cmd.Duration(
t =>
{
float decayCoeef = Mathf.Exp((float)t * decay);
single.Value = baseVal + amount * Mathf.Sin(intervals * (float)t * 2 * Mathf.PI) / decayCoeef;
},
duration
),
Cmd.Do(() => { single.Value = baseVal; })
));
}
/// <summary>
/// Squashes the y axis, while inversely stretching the x axis.
/// </summary>
/// <param name="val">The value to animate.</param>
/// <param name="amplitude">The size of the squash.</param>
/// <param name="duration">The duration of the squash.</param>
public static CommandDelegate SquashAndStretch(Ref <Vector2> scale, float amplitude, double duration)
{
CheckArgumentNonNull(scale, "scale");
Vector2 startScale = Vector2.zero;
float area = 0f;
Ref <float> widthRef = new Ref <float>(
() => scale.Value.x,
(t) =>
{
Vector2 tempVal = scale.Value;
tempVal.x = t;
scale.Value = tempVal;
}
);
return(Cmd.Sequence(
Cmd.Do(() =>
{
area = scale.Value.x * scale.Value.y;
startScale = scale.Value;
}),
Cmd.Parallel(
Wobble(widthRef, amplitude, duration),
Cmd.Duration((t) =>
{
Vector2 tempVal = scale.Value;
if (tempVal.x != 0f)
{
tempVal.y = area / tempVal.x;
}
scale.Value = tempVal;
}, duration)
),
Cmd.Do(() => { scale.Value = startScale; })
));
}
public static void TestWaitFrames()
{
int count = 0;
CommandDelegate incr = Cmd.Do(() => ++ count);
CommandQueue queue = new CommandQueue();
queue.Enqueue(
Cmd.WaitForFrames(1),
incr,
Cmd.WaitForFrames(2),
incr,
Cmd.Repeat(3,
Cmd.Sequence(
Cmd.WaitForFrames(2),
incr
)
)
);
queue.Update(0.1);
Assert.AreEqual(count, 0);
queue.Update(0.1);
Assert.AreEqual(count, 1);
queue.Update(0.1);
Assert.AreEqual(count, 1);
queue.Update(0.1);
Assert.AreEqual(count, 2);
queue.Update(0.1);
Assert.AreEqual(count, 2);
queue.Update(0.1);
Assert.AreEqual(count, 3);
queue.Update(0.1);
Assert.AreEqual(count, 3);
queue.Update(0.1);
Assert.AreEqual(count, 4);
queue.Update(0.1);
Assert.AreEqual(count, 4);
}
public static void TestOrdering()
{
CommandScheduler scheduler = new CommandScheduler();
int a = 0;
scheduler.Add(
Cmd.Sequence(
Cmd.WaitForSeconds(1.0f),
Cmd.Do(() => ++ a)
)
);
int b = 0;
scheduler.Add(
Cmd.Sequence(
Cmd.WaitForSeconds(1.0f),
Cmd.Do(() => ++ b)
)
);
scheduler.Add(
Cmd.Sequence(
Cmd.WaitForSeconds(1.5f),
Cmd.Do(() => ++ b)
)
);
Assert.AreEqual(a, 0);
Assert.AreEqual(b, 0);
scheduler.Update(1.0f);
Assert.AreEqual(a, 1);
Assert.AreEqual(b, 1);
scheduler.Update(0.5f);
Assert.AreEqual(a, 1);
Assert.AreEqual(b, 2);
}
public static void TestScaleBy()
{
const float floatScale = 4.8f;
const float floatStart = 1.2f;
float floatVal = floatStart;
Ref <float> floatRef = new Ref <float>(
() => floatVal,
t => floatVal = t
);
const double doubleScale = 3.2;
const double doubleStart = 9.2;
double doubleVal = doubleStart;
Ref <double> doubleRef = new Ref <double>(
() => doubleVal,
t => doubleVal = t
);
Vector2 vec2Scale = new Vector2(9.5f, 2.0f);
Vector2 vec2Start = new Vector2(4.0f, 5.0f);
Vector2 vec2Val = vec2Start;
Ref <Vector2> vec2Ref = new Ref <Vector2>(
() => vec2Val,
t => vec2Val = t
);
Vector3 vec3Scale = new Vector3(4.0f, 19.0f, 2.0f);
Vector3 vec3Start = new Vector3(92.0f, 0.5f, 34.0f);
Vector3 vec3Val = vec3Start;
Ref <Vector3> vec3Ref = new Ref <Vector3>(
() => vec3Val,
t => vec3Val = t
);
Vector4 vec4Scale = new Vector4(92.0f, 0.5f, 14.0f, 7.0f);
Vector4 vec4Start = new Vector4(0.4f, 10.0f, 3.0f, 82.0f);
Vector4 vec4Val = vec4Start;
Ref <Vector4> vec4Ref = new Ref <Vector4>(
() => vec4Val,
t => vec4Val = t
);
CommandQueue queue = new CommandQueue();
queue.Enqueue(
Cmd.Repeat(2,
Cmd.Sequence(
Cmd.Parallel(
Cmd.ScaleBy(floatRef, floatScale, 1.0),
Cmd.ScaleBy(doubleRef, doubleScale, 1.0),
Cmd.ScaleBy(vec2Ref, vec2Scale, 1.0),
Cmd.ScaleBy(vec3Ref, vec3Scale, 1.0),
Cmd.ScaleBy(vec4Ref, vec4Scale, 1.0)
),
Cmd.WaitForFrames(1)
)
)
);
queue.Update(0.2f);
Vector2 vec2ExpectedScale = vec2Scale;
Vector3 vec3ExpectedScale = vec3Scale;
Vector4 vec4ExpectedScale = vec4Scale;
vec2ExpectedScale.Scale(new Vector2(0.2f, 0.2f));
vec3ExpectedScale.Scale(new Vector3(0.2f, 0.2f, 0.2f));
vec4ExpectedScale.Scale(new Vector4(0.2f, 0.2f, 0.2f, 0.2f));
vec2ExpectedScale += new Vector2(0.8f, 0.8f);
vec3ExpectedScale += new Vector3(0.8f, 0.8f, 0.8f);
vec4ExpectedScale += new Vector4(0.8f, 0.8f, 0.8f, 0.8f);
vec2ExpectedScale.Scale(vec2Start);
vec3ExpectedScale.Scale(vec3Start);
vec4ExpectedScale.Scale(vec4Start);
AreEqual(floatVal, floatStart * (0.8f + floatScale * 0.2f), 0.001f);
AreEqual(doubleVal, doubleStart * (0.8 + doubleScale * 0.2), 0.001f);
AreEqual(vec2Val, vec2ExpectedScale, 0.001f);
AreEqual(vec3Val, vec3ExpectedScale, 0.001f);
AreEqual(vec4Val, vec4ExpectedScale, 0.001f);
queue.Update(0.8);
vec2ExpectedScale = vec2Scale;
vec3ExpectedScale = vec3Scale;
vec4ExpectedScale = vec4Scale;
vec2ExpectedScale.Scale(vec2Start);
vec3ExpectedScale.Scale(vec3Start);
vec4ExpectedScale.Scale(vec4Start);
AreEqual(floatVal, floatStart * floatScale, 0.001f);
AreEqual(doubleVal, doubleStart * doubleScale, 0.001f);
AreEqual(vec2Val, vec2ExpectedScale, 0.001f);
AreEqual(vec3Val, vec3ExpectedScale, 0.001f);
AreEqual(vec4Val, vec4ExpectedScale, 0.001f);
floatVal = floatStart;
doubleVal = doubleStart;
vec2Val = vec2Start;
vec3Val = vec3Start;
vec4Val = vec4Start;
queue.Update(0.0);
queue.Update(0.5);
vec2ExpectedScale = vec2Scale;
vec3ExpectedScale = vec3Scale;
vec4ExpectedScale = vec4Scale;
vec2ExpectedScale.Scale(new Vector2(0.5f, 0.5f));
vec3ExpectedScale.Scale(new Vector3(0.5f, 0.5f, 0.5f));
vec4ExpectedScale.Scale(new Vector4(0.5f, 0.5f, 0.5f, 0.5f));
vec2ExpectedScale += new Vector2(0.5f, 0.5f);
vec3ExpectedScale += new Vector3(0.5f, 0.5f, 0.5f);
vec4ExpectedScale += new Vector4(0.5f, 0.5f, 0.5f, 0.5f);
vec2ExpectedScale.Scale(vec2Start);
vec3ExpectedScale.Scale(vec3Start);
vec4ExpectedScale.Scale(vec4Start);
AreEqual(floatVal, floatStart * (0.5f + floatScale * 0.5f), 0.001f);
AreEqual(doubleVal, doubleStart * (0.5 + doubleScale * 0.5), 0.001f);
AreEqual(vec2Val, vec2ExpectedScale, 0.001f);
AreEqual(vec3Val, vec3ExpectedScale, 0.001f);
AreEqual(vec4Val, vec4ExpectedScale, 0.001f);
}
public static void TestChangeFrom()
{
const float floatEnd = 4.8f;
const float floatStart = 1.2f;
float floatVal = floatStart;
Ref <float> floatRef = new Ref <float>(
() => floatVal,
t => floatVal = t
);
const double doubleEnd = 3.2;
const double doubleStart = 9.2;
double doubleVal = doubleStart;
Ref <double> doubleRef = new Ref <double>(
() => doubleVal,
t => doubleVal = t
);
Vector2 vec2End = new Vector2(9.5f, 2.0f);
Vector2 vec2Start = new Vector2(4.0f, 5.0f);
Vector2 vec2Val = vec2Start;
Ref <Vector2> vec2Ref = new Ref <Vector2>(
() => vec2Val,
t => vec2Val = t
);
Vector3 vec3End = new Vector3(4.0f, 19.0f, 2.0f);
Vector3 vec3Start = new Vector3(92.0f, 0.5f, 34.0f);
Vector3 vec3Val = vec3Start;
Ref <Vector3> vec3Ref = new Ref <Vector3>(
() => vec3Val,
t => vec3Val = t
);
Vector4 vec4End = new Vector4(92.0f, 0.5f, 14.0f, 7.0f);
Vector4 vec4Start = new Vector4(0.4f, 10.0f, 3.0f, 82.0f);
Vector4 vec4Val = vec4Start;
Ref <Vector4> vec4Ref = new Ref <Vector4>(
() => vec4Val,
t => vec4Val = t
);
CommandQueue queue = new CommandQueue();
queue.Enqueue(
Cmd.Repeat(2,
Cmd.Sequence(
Cmd.Parallel(
Cmd.ChangeFrom(floatRef, floatEnd, 1.0),
Cmd.ChangeFrom(doubleRef, doubleEnd, 1.0),
Cmd.ChangeFrom(vec2Ref, vec2End, 1.0),
Cmd.ChangeFrom(vec3Ref, vec3End, 1.0),
Cmd.ChangeFrom(vec4Ref, vec4End, 1.0)
),
Cmd.WaitForFrames(1)
)
)
);
queue.Update(0.3);
// Check basic lerping works.
AreEqual(floatVal, floatEnd * 0.7f + floatStart * 0.3f, 0.01);
AreEqual(doubleVal, doubleEnd * 0.7 + doubleStart * 0.3, 0.01);
AreEqual(vec2Val, vec2End * 0.7f + vec2Start * 0.3f, 0.01f);
AreEqual(vec3Val, vec3End * 0.7f + vec3Start * 0.3f, 0.01f);
AreEqual(vec4Val, vec4End * 0.7f + vec4Start * 0.3f, 0.01f);
// Reset the vals to zero. Checks that 'ChangeTo' will force itself back on
// track.
floatVal = 0.0f;
doubleVal = 0.0;
vec2Val = Vector2.zero;
vec3Val = Vector3.zero;
vec4Val = Vector4.zero;
queue.Update(0.2);
// Completes the offset
AreEqual(floatVal, floatEnd * 0.5f + floatStart * 0.5f, 0.01);
AreEqual(doubleVal, doubleEnd * 0.5 + doubleStart * 0.5, 0.01);
AreEqual(vec2Val, vec2End * 0.5f + vec2Start * 0.5f, 0.01f);
AreEqual(vec3Val, vec3End * 0.5f + vec3Start * 0.5f, 0.01f);
AreEqual(vec4Val, vec4End * 0.5f + vec4Start * 0.5f, 0.01f);
queue.Update(0.5);
AreEqual(floatVal, floatStart, 0.01f);
AreEqual(doubleVal, doubleStart, 0.01);
AreEqual(vec2Val, vec2Start, 0.01f);
AreEqual(vec3Val, vec3Start, 0.01f);
AreEqual(vec4Val, vec4Start, 0.01f);
queue.Update(0.0);
queue.Update(0.5);
// Check that it does jump on repeat
AreEqual(floatVal, floatEnd * 0.5f + floatStart * 0.5f, 0.01);
AreEqual(doubleVal, doubleEnd * 0.5 + doubleStart * 0.5, 0.01);
AreEqual(vec2Val, vec2End * 0.5f + vec2Start * 0.5f, 0.01f);
AreEqual(vec3Val, vec3End * 0.5f + vec3Start * 0.5f, 0.01f);
AreEqual(vec4Val, vec4End * 0.5f + vec4Start * 0.5f, 0.01f);
Rect rectEnd = new Rect(-1.0f, 1.0f, 5.0f, 5.0f);
Rect rectStart = new Rect(0.0f, 2.0f, 6.0f, 6.0f);
Rect rectVal = rectStart;
Ref <Rect> rectRef = new Ref <Rect>(
() => rectVal,
t => rectVal = t
);
Vector2 firstAnchor = new Vector2(0.0f, 0.0f);
Vector2 secondAnchor = new Vector2(1.0f, 0.0f);
Vector3 thirdAnchor = new Vector2(0.0f, 1.0f);
Vector2 forthAnchor = new Vector2(1.0f, 1.0f);
queue = new CommandQueue();
queue.Enqueue(
Cmd.ChangeFrom(rectRef, rectEnd, 1.0, firstAnchor),
Cmd.WaitForFrames(1),
Cmd.ChangeFrom(rectRef, rectEnd, 1.0, secondAnchor),
Cmd.WaitForFrames(1),
Cmd.ChangeFrom(rectRef, rectEnd, 1.0, thirdAnchor),
Cmd.WaitForFrames(1),
Cmd.ChangeFrom(rectRef, rectEnd, 1.0, forthAnchor)
);
// Test the top left corner.
queue.Update(0.5);
AreEqual(rectVal, new Rect(
-0.5f, 1.5f,
(rectStart.width + rectEnd.width) * 0.5f,
(rectStart.height + rectEnd.height) * 0.5f), 0.001f
);
queue.Update(0.5);
AreEqual(rectVal, rectStart, 0.001f);
queue.Update(0.0f);
// Test the top right corner.
queue.Update(0.7);
AreEqual(rectVal, new Rect(
5.4f - 5.7f, 1.7f,
rectStart.width * 0.7f + rectEnd.width * 0.3f,
rectStart.height * 0.7f + rectEnd.height * 0.3f), 0.001f
);
queue.Update(0.3);
AreEqual(rectVal, rectStart, 0.001f);
queue.Update(0.0f);
// Test the bottom left corner.
queue.Update(0.6);
AreEqual(rectVal, new Rect(
-0.4f, 7.2f - 5.6f,
rectStart.width * 0.6f + rectEnd.width * 0.4f,
rectStart.height * 0.6f + rectEnd.height * 0.4f), 0.001f
);
queue.Update(0.4);
AreEqual(rectVal, rectStart, 0.001f);
queue.Update(0.0);
// Test the bottom right corner.
queue.Update(0.6);
AreEqual(rectVal, new Rect(
5.2f - 5.6f, 7.2f - 5.6f,
rectStart.width * 0.6f + rectEnd.width * 0.4f,
rectStart.height * 0.6f + rectEnd.height * 0.4f), 0.001f
);
queue.Update(0.4);
AreEqual(rectVal, rectStart, 0.001f);
queue.Update(0.0f);
}
/// <summary>
/// Schedule a list of commands.
/// </summary>
/// <param name="commands"> The commands to be executed sequentially.</param>
public void Schedule(params CommandDelegate[] commands)
{
_scheduler.Add(Cmd.Sequence(commands));
}