Scripts / Mouse Cursor Preciseness

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Teabone
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Posted: 7th Jun 2020 18:09
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Is there any way to make a mouse cursor more precise and smooth?

I'm using
PasteSpritePosition(cursor,g_MouseX, g_MouseY )

However, when I move the mouse around i notice it jumps a number of pixels. I'm assuming due to everything being in percents. However when I use: Prompt(g_MouseX.."/"..g_MouseY) for example i notice its showing values that the cursor on screen isn't updating to, maybe due to being in point form? Is there any way to move the cursor by say 1.5 or alike? or is it only whole numbers values?
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AmenMoses
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Posted: 7th Jun 2020 18:41 Edited at: 7th Jun 2020 18:44
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PastSpritePosition() converts it's arguments to integers. SetSpritePosition() doesn't.

Looks like a bug to me.

Edited to Add:

Here is the dodgy bit of code from PasteSpritePosition:
float fX = lua_tointeger(L, 2);
float fY = lua_tointeger(L, 3);

Whereas the SetSpritePosition has:
float x = lua_tonumber(L, 2);
float y = lua_tonumber(L, 3);
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AmenMoses
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Posted: 7th Jun 2020 18:53
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Question back atcha though, do you know what effect these commands have?:
DrawSpritesFirst()
DrawSpritesLast()
BackdropOff()
BackdropOn()
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Teabone
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Posted: 8th Jun 2020 08:33 Edited at: 8th Jun 2020 08:38
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Quote: "PastSpritePosition() converts it's arguments to integers. SetSpritePosition() doesn't."


Thanks a lot! setspriteposition works perfectly. Should I post this issue to github?

For the 4 commands, Not sure about the other two but I think BackdropOff() BackdropOn() were being used in the main menus for their backgrounds? Though i dont see those commands in any of the titlebank lua files
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AmenMoses
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Posted: 8th Jun 2020 19:15
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If you could add that to GitHub that would be great, all the sprite commands should use the same coordinate values, i.e. floating point.

I tried the 4 commands in some Lua scripts and they basically don't seem to do anything useful, DrawSpritesFirst() seems particularly useless as it just makes the sprites invisible, I assume because it draws the sprites and then renders over the top of them.

The Backdrop commands seem to be related to the camera but I couldn't work out what it does.
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3com
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Posted: 11th Jun 2020 10:24
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Those commands look like LUA commands calling internal code, they are not on my global.lua (20-05-05 may fixes here), and they only appear to be related to standalone ones.
It looks to me such as some sort of sleep(), I think they give the support than the game engine gives by itself, via test mode. IMHO.
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