MegaSteve/BackGround.ixx

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2022-08-05 23:50:08 +08:00
module;
export module BackGround;
import GameObject;
import Graphics;
export struct BackGround : GameObject
{
static constexpr Rect GroundRect{ 2,104,2402,130 };
static constexpr Rect CloudRect{ 166,2,258,29 };
float speed = -500.f;
Vector2 CloudPosi;
virtual void OnStartUp()
{
imge.rect = GroundRect;
Posi = { 0,50 };
CloudPosi = { 1050,200 };
Size = imge.rect.size();
}
virtual void OnCleanUp()
{
}
virtual void OnUpdate(float delta)
{
Posi.x += speed * delta;
CloudPosi.x += speed * delta * 0.5f;
}
virtual void OnLaterUpdate(float delta)
{
if (Posi.x <= -Size.x)
{
Posi.x += Size.x;
}
if (CloudPosi.x <= 0 - CloudRect.size().x)
{
CloudPosi.x = 1050;
}
}
virtual void OnReset() override
{
Posi.x = 0;
}
virtual void OnRender() override
{
Rect dst =
{
Posi.x - Size.x * Anch.x,
Posi.y + Size.y * (1.f - Anch.y),
Posi.x + Size.x * (1.f - Anch.x),
Posi.y - Size.y * Anch.y,
};
Graphics::DrawBitMap(imge.bitmap, dst, imge.rect);
dst.left += Size.x;
dst.right += Size.x;
Graphics::DrawBitMap(imge.bitmap, dst, imge.rect);
auto cloud_size = CloudRect.size();
Rect cloud_dst =
{
CloudPosi.x,
CloudPosi.y + cloud_size.y,
CloudPosi.x + cloud_size.x,
CloudPosi.y,
};
Graphics::DrawBitMap(imge.bitmap, dst, CloudRect);
}
};