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);
}