/* Takes in a slider name, a sample index, and a t. Based on what the slider name is, will use the values to adjust the position,
* and indicator. Both start slider and end slider don't use t parameter. */
public void AdjustSlider(string sliderName, int sampleIndex, float t)
{
if (String.Equals(sliderName, "StartSlider"))
{
startSliderSampleIndex = sampleIndex;
float samplePercent = (float)startSliderSampleIndex / ((float)dummySampleCount - 1.0f);
float newX = (samplePercent * localHalfLength * -2) + localHalfLength;
startSlider.transform.localPosition = V3E.SetX(localCenter, newX);
}
else if (String.Equals(sliderName, "CurrentSlider"))
{
float samplePercent = (float)sampleIndex / ((float)dummySampleCount - 1.0f);
float sliderPercent = t * (1.0f / ((float)dummySampleCount - 1.0f)) + samplePercent;
float newX = (sliderPercent * localHalfLength * -2) + localHalfLength;
currentSlider.transform.localPosition = V3E.SetX(localCenter, newX);
}
else if (String.Equals(sliderName, "EndSlider"))
{
endSliderSampleIndex = sampleIndex;
float samplePercent = (float)endSliderSampleIndex / ((float)dummySampleCount - 1.0f);
float newX = (samplePercent * localHalfLength * -2) + localHalfLength;
endSlider.transform.localPosition = V3E.SetX(localCenter, newX);
}
else if (String.Equals(sliderName, "GhostSlider"))
{
float samplePercent = (float)sampleIndex / ((float)dummySampleCount - 1.0f);
float sliderPercent = t * (1.0f / ((float)dummySampleCount - 1.0f)) + samplePercent;
float newX = (sliderPercent * localHalfLength * -2) + localHalfLength;
ghostSlider.transform.localPosition = V3E.SetX(localCenter, newX);
}
}
/* Takes in a finger trigger position and sliders the closest slider in one dimension relative to the finger
* slider position (if the new slider position will be on the slider field). If the slider is the start slider
* or the end slider then they will snap to the floored or ceiled sample respectively. Else if the slider is
* the current slider, it will adjust the position with a smooth transition using t. */
private void SlideClosestSlider(Vector3 fingerTriggerPosition)
{
Vector3 worldCenter = transform.TransformPoint(localCenter);
// Project point into two dimensions on slider field
Vector3 v = fingerTriggerPosition - worldCenter;
Vector3 d = Vector3.Project(v, transform.up);
Vector3 pointInTwoDimensions = fingerTriggerPosition - d;
// Project point into one dimension on slider field
Vector3 v2 = pointInTwoDimensions - worldCenter;
Vector3 d2 = Vector3.Project(v2, transform.forward);
Vector3 pointInOneDimension = pointInTwoDimensions - d2;
float testDistance = Vector3.Distance(pointInOneDimension, worldCenter);
if (testDistance < worldHalfLength)
{
if (Vector3.Distance(pointInOneDimension, transform.TransformPoint(V3E.SetX(localCenter, -localHalfLength))) <
Vector3.Distance(pointInOneDimension, transform.TransformPoint(V3E.SetX(localCenter, localHalfLength))))
{
testDistance *= -1; // Closer to left side, so make negative since Vector3.Distance() is only magnitude
}
float sliderPercent = (testDistance - worldHalfLength) / (worldHalfLength * -2);
if (closestSlider == startSlider)
{
// Find the floored sample index and adjust the start slider
int flooredSampleIndex = (int)Mathf.Floor(sliderPercent * (dummySampleCount - 1));
AdjustSlider("StartSlider", flooredSampleIndex, 0.0f);
DMS.AdjustStartAids(flooredSampleIndex);
}
else if (closestSlider == currentSlider)
{
// Find the floored sample index, find the t, adjust the current slider, then adjust slider indicator and dummy
int flooredSampleIndex = (int)Mathf.Floor(sliderPercent * (dummySampleCount - 1));
if (flooredSampleIndex >= startSliderSampleIndex && flooredSampleIndex <= endSliderSampleIndex)
{
float flooredSamplePercent = (float)flooredSampleIndex / ((float)dummySampleCount - 1.0f);
float t = (sliderPercent - flooredSamplePercent) / (1.0f / ((float)dummySampleCount - 1.0f));
AdjustSlider("CurrentSlider", flooredSampleIndex, t);
DMS.DS_Adjust(flooredSampleIndex, t);
}
}
else // end slider
// Find the ceiled sample index and adjust end slider
{
int ceiledSampleIndex = (int)Mathf.Ceil(sliderPercent * (dummySampleCount - 1));
AdjustSlider("EndSlider", ceiledSampleIndex, 0.0f);
DMS.AdjustEndAids(ceiledSampleIndex);
}
}
}