public void Update(BGArea area, float delta)
{
float leftvalue = (area.pos.X + area.stepX) * layer.scrollspeed;
float rightvalue = leftvalue + area.size.X;
float scrolldec = (layer.scrollspeed - 1);
float newspeed = 1 + scrolldec / 4;
if (newspeed < 0)
{
newspeed = 0;
}
float Y = area.scenepos.Y + area.drawoffect.Y + (-area.pos.Y + area.stepY) * newspeed;
//删除
List <BGBlock> del = new List <BGBlock>();
foreach (var b in blocks)
{
if (b.startstep + b.rect.Width < leftvalue - 350)
{
del.Add(b);
}
}
foreach (var b in del)
{
blocks.Remove(b);
}
//移动
List <SpriteAniController> anis = new List <SpriteAniController>();
float maxright = leftvalue;
foreach (var b in blocks)
{
b.rect.Width = b.ani.GetFrame().size.X;
b.rect.Height = (int)area.size.Y;
b.rect.X = (int)(area.scenepos.X + area.drawoffect.X + (b.startstep - leftvalue));
b.rect.Y = (int)Y;
maxright = Math.Max(maxright, b.startstep + b.rect.Width);
if (anis.Contains(b.ani) == false)
{
anis.Add(b.ani);
}
}
foreach (var a in anis)
{
a.AdvTime(delta);
}
//如果不够，再加上
if (maxright < rightvalue)
{
var b = layer.GetNext();
b.startstep = maxright;
blocks.Add(b);
b.rect.Width = b.ani.GetFrame().size.X;
b.rect.Height = (int)area.size.Y;
b.rect.X = (int)(area.scenepos.X + area.drawoffect.X + (b.startstep - leftvalue));
b.rect.Y = (int)Y;
}
}
public void Update(BGArea area,float delta)
{
float leftvalue = (area.pos.X + area.stepX) * layer.scrollspeed;
float rightvalue = leftvalue + area.size.X;
float scrolldec = (layer.scrollspeed - 1);
float newspeed = 1 + scrolldec /4;
if (newspeed < 0) newspeed = 0;
float Y = area.scenepos.Y + area.drawoffect.Y + (-area.pos.Y + area.stepY) * newspeed;
//删除
List<BGBlock> del=new List<BGBlock>();
foreach (var b in blocks)
{
if (b.startstep + b.rect.Width < leftvalue-350)
del.Add(b);
}
foreach (var b in del)
{
blocks.Remove(b);
}
//移动
List<SpriteAniController> anis = new List<SpriteAniController>();
float maxright = leftvalue;
foreach (var b in blocks)
{
b.rect.Width = b.ani.GetFrame().size.X;
b.rect.Height = (int)area.size.Y;
b.rect.X = (int)(area.scenepos.X + area.drawoffect.X+(b.startstep - leftvalue));
b.rect.Y = (int)Y;
maxright = Math.Max(maxright, b.startstep+b.rect.Width);
if (anis.Contains(b.ani) == false)
{
anis.Add(b.ani);
}
}
foreach (var a in anis)
{
a.AdvTime(delta);
}
//如果不够，再加上
if (maxright < rightvalue)
{
var b = layer.GetNext();
b.startstep = maxright;
blocks.Add(b);
b.rect.Width = b.ani.GetFrame().size.X;
b.rect.Height = (int)area.size.Y;
b.rect.X = (int)(area.scenepos.X + area.drawoffect .X+ (b.startstep - leftvalue));
b.rect.Y = (int)Y;
}
}
