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https://github.com/pound-emu/ballistic.git
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Ronald Caesar
5f0791e8b1
This adds luajit-imgui without submodules. Signed-off-by: Ronald Caesar <github43132@proton.me>
52 lines
1.6 KiB
Lua
52 lines
1.6 KiB
Lua
local igwin = require"imgui.window"
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--local win = igwin:SDL(800,400, "widgets",{vsync=true,use_implot=true})
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local win = igwin:GLFW(800,400, "widgets",{vsync=true})
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win.ig.ImPlot_CreateContext()
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local ffi = require"ffi"
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local xs2, ys2 = ffi.new("float[?]",11),ffi.new("float[?]",11)
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for i = 0,10 do
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xs2[i] = i * 0.1;
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ys2[i] = xs2[i] * xs2[i];
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end
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local gettercb = ffi.cast("ImPlotPoint_getter", function(data,idx,ipp)
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ipp[0].x = idx*0.001; ipp[0].y=0.5 + 0.5 * math.sin(50 * ipp[0].x);
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end)
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local dataplot = ffi.new("int[1]",1000)
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local sin,cos,pi = math.sin, math.cos, math.pi
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local gettercb2 = ffi.cast("ImPlotPoint_getter", function(data,idx,ipp)
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local npoints = ffi.cast("int*",data)[0]
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local theta = pi*2*idx/npoints
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local rho = sin(2*theta)*cos(2*theta)
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ipp[0].x = cos(theta)*rho
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ipp[0].y = sin(theta)*rho
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end)
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function win:draw(ig)
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local spec_circle = ig.ImPlotSpec()
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spec_circle.Marker = ig.lib.ImPlotMarker_Circle
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ig.ImPlot_ShowDemoWindow()
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ig.Begin("Ploters")
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if (ig.ImPlot_BeginPlot("Line Plot", ig.ImVec2(0,0))) then
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-- ig.ImPlot_PlotLineG("Line Plot",ig.lib.W1(gettercb),nil,1000)
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-- ig.ImPlot_PlotLineG("Polar Plot",ig.lib.W1(gettercb2),dataplot,1000)
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ig.ImPlot_PlotLineG("Line Plot",gettercb,nil,1000)
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ig.ImPlot_PlotLineG("Polar Plot",gettercb2,dataplot,1000)
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ig.ImPlot_Annotation(0.25,1.1,ig.ImPlot_GetLastItemColor(),ig.ImVec2(15,15),true,"function %f %s",1,"hello")
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ig.ImPlot_PlotLine("x^2", xs2, ys2, 11,spec_circle[0]);
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ig.ImPlot_EndPlot();
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end
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ig.End()
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end
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local function clean()
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win.ig.ImPlot_DestroyContext()
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end
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win:start(clean) |