74 lines
2.5 KiB
Lua
74 lines
2.5 KiB
Lua
local SCR={
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w0=1280,h0=720, -- Default Screen Size
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x=0,y=0, -- Up-left Coord on screen
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cx=0,cy=0, -- Center Coord on screen (Center X/Y)
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ex=0,ey=0, -- Down-right Coord on screen (End X/Y)
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w=0,h=0, -- Fullscreen w/h for graphic functions
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W=0,H=0, -- Fullscreen w/h for shader
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safeX=0,safeY=0,-- Safe area
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safeW=0,safeH=0,-- Safe area
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rad=0, -- Radius
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k=1, -- Scale size
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dpi=1, -- DPI from gc.getDPIScale()
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-- Screen transformation objects
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origin=love.math.newTransform(),
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xOy=love.math.newTransform(),
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xOy_m=love.math.newTransform(),
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xOy_ul=love.math.newTransform(),
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xOy_u=love.math.newTransform(),
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xOy_ur=love.math.newTransform(),
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xOy_l=love.math.newTransform(),
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xOy_r=love.math.newTransform(),
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xOy_dl=love.math.newTransform(),
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xOy_d=love.math.newTransform(),
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xOy_dr=love.math.newTransform(),
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}
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function SCR.setSize(w,h)
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SCR.w0,SCR.h0=w,h
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end
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function SCR.resize(w,h)
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SCR.w,SCR.h,SCR.dpi=w,h,love.graphics.getDPIScale()
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SCR.W,SCR.H=SCR.w*SCR.dpi,SCR.h*SCR.dpi
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SCR.r=h/w
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SCR.rad=(w^2+h^2)^.5
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SCR.x,SCR.y=0,0
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if SCR.r>=SCR.h0/SCR.w0 then
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SCR.k=w/SCR.w0
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SCR.y=(h-SCR.h0*SCR.k)/2
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else
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SCR.k=h/SCR.h0
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SCR.x=(w-SCR.w0*SCR.k)/2
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end
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SCR.cx,SCR.cy=SCR.w/2,SCR.h/2
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SCR.ex,SCR.ey=SCR.w-SCR.x,SCR.h-SCR.y
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SCR.safeX,SCR.safeY,SCR.safeW,SCR.safeH=love.window.getSafeArea()
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SCR.origin:setTransformation(0,0)
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SCR.xOy:setTransformation(SCR.x,SCR.y,0,SCR.k)
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SCR.xOy_m:setTransformation(w/2,h/2,0,SCR.k)
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SCR.xOy_ul:setTransformation(0,0,0,SCR.k)
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SCR.xOy_u:setTransformation(w/2,0,0,SCR.k)
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SCR.xOy_ur:setTransformation(w,0,0,SCR.k)
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SCR.xOy_l:setTransformation(0,h/2,0,SCR.k)
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SCR.xOy_r:setTransformation(w,h/2,0,SCR.k)
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SCR.xOy_dl:setTransformation(0,h,0,SCR.k)
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SCR.xOy_d:setTransformation(w/2,h,0,SCR.k)
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SCR.xOy_dr:setTransformation(w,h,0,SCR.k)
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end
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function SCR.info()
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return {
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("w0,h0 : %d, %d"):format(SCR.w0,SCR.h0),
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("x,y : %d, %d"):format(SCR.x,SCR.y),
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("cx,cy : %d, %d"):format(SCR.cx,SCR.cy),
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("ex,ey : %d, %d"):format(SCR.ex,SCR.ey),
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("w,h : %d, %d"):format(SCR.w,SCR.h),
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("W,H : %d, %d"):format(SCR.W,SCR.H),
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("safeX,safeY : %d, %d"):format(SCR.safeX,SCR.safeY),
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("safeW,safeH : %d, %d"):format(SCR.safeW,SCR.safeH),
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("k,dpi,rad : %.2f, %d, %.2f"):format(SCR.k,SCR.dpi,SCR.rad),
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}
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end
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return SCR
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