public void UpdateSpeed(ref float speed)
{
if (speed < startSpeed)
{
QcMath.IsLerpingBySpeed(ref speed, startSpeed, startSpeed * 0.3f);
}
else
{
speed += accelerationPerSecond * Time.deltaTime;
}
}
public static void SHADER_POSITION_AND_PREVIEW_UPDATE(StrokeVector st, bool hidePreview, float size)
{
PainterDataAndConfig.BRUSH_POINTED_UV.GlobalValue = st.uvTo.ToVector4(0, _previewAlpha);
if (hidePreview && Math.Abs(_previewAlpha) < float.Epsilon)
{
return;
}
QcMath.IsLerpingBySpeed(ref _previewAlpha, hidePreview ? 0 : 1, 4f);
PainterDataAndConfig.BRUSH_WORLD_POS_FROM.GlobalValue = _prevPosPreview.ToVector4(size);
PainterDataAndConfig.BRUSH_WORLD_POS_TO.GlobalValue = st.posTo.ToVector4((st.posTo - _prevPosPreview).magnitude); //new Vector4(st.posTo.x, st.posTo.y, st.posTo.z, (st.posTo - prevPosPreview).magnitude));
_prevPosPreview = st.posTo;
}
public bool LerpBySpeed(float targetValue, float speed) => QcMath.IsLerpingBySpeed(ref colorAlpha, targetValue, speed);