/// <summary> /// Pulsates the scale. /// </summary> /// <param name="amount">The amount to increase the scale by.</param> public static CommandDelegate PulsateScale(Ref <Vector3> 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.ScaleBy(scale, Vector3.one * (amount + 1.0f), duration / 2.0, Ease.Smooth()), (ref double deltaTime) => tweenBack(ref deltaTime) )); }
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); }