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1 import std/unicode
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2
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3 import semicongine
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4
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895
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5 var counter = 0
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6 var counterText: Text
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7
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8 proc click(panel: var Panel, buttons: set[MouseButton]) =
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9 if buttons.contains(Mouse1):
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10 counter.inc
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11 if buttons.contains(Mouse3):
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12 counter.dec
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13 counterText.text = $counter
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14 proc enter(panel: var Panel) =
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15 panel.size = newVec2f(0.22, 0.22)
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16 proc leave(panel: var Panel) =
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17 panel.size = newVec2f(0.2, 0.2)
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891
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18
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19 proc main() =
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20 # setup engine
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21 var engine = initEngine("Test panels")
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22 engine.initRenderer([])
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23
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24 const B = [0'u8, 0'u8, 0'u8, 255'u8]
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25 const T = [0'u8, 0'u8, 0'u8, 0'u8]
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26 # build scene
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27 #
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28 var
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29 font = loadFont("DejaVuSans.ttf", lineHeightPixels = 210'f32)
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30 scene = Scene(name: "main")
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31 origin = initPanel(
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32 size = newVec2f(0.02, 0.02),
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33 color = newVec4f(1, 1, 1, 1),
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34 texture = Texture(isGrayscale: false, colorImage: newImage[RGBAPixel](3, 3, [T, B, T, B, B, B, T, B, T]), sampler: NEAREST_SAMPLER),
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35 )
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36 panel = initPanel(
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37 size = newVec2f(0.2, 0.2),
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38 color = newVec4f(1, 0, 0, 0.5),
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39 onMouseDown = click,
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40 onMouseEnter = enter,
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41 onMouseLeave = leave
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42 )
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43 help_text = font.initText("""Controls
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44
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45 Horizontal alignment:
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46 F1: Left
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47 F2: Center
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48 F3: Right
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49 Vertical alignment:
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50 F4: Top
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51 F5: Center
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52 F6: Bottom""", scale = 0.0002, position = newVec2f(-0.9, -0.9), horizontalAlignment = Left, verticalAlignment = Top)
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53
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54 counterText = font.initText($counter, maxLen = 99, scale = 0.0004)
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55
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56 scene.add counterText
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57 scene.add panel
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58 scene.add help_text
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59 scene.add origin
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60 engine.loadScene(scene)
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61
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62 while engine.updateInputs() == Running and not engine.keyIsDown(Escape):
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63 if engine.windowWasResized():
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64 var winSize = engine.getWindow().size
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65 panel.aspect_ratio = winSize[0] / winSize[1]
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66 counterText.aspect_ratio = winSize[0] / winSize[1]
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67 origin.aspect_ratio = winSize[0] / winSize[1]
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68 help_text.aspect_ratio = winSize[0] / winSize[1]
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69
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70 if engine.keyWasPressed(F1):
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71 panel.horizontalAlignment = Left
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72 counterText.horizontalAlignment = Left
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73 elif engine.keyWasPressed(F2):
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74 panel.horizontalAlignment = Center
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75 counterText.horizontalAlignment = Center
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76 elif engine.keyWasPressed(F3):
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77 panel.horizontalAlignment = Right
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78 counterText.horizontalAlignment = Right
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79 elif engine.keyWasPressed(F4):
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80 panel.verticalAlignment = Top
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81 counterText.verticalAlignment = Top
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82 elif engine.keyWasPressed(F5):
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83 panel.verticalAlignment = Center
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84 counterText.verticalAlignment = Center
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85 elif engine.keyWasPressed(F6):
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86 panel.verticalAlignment = Bottom
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87 counterText.verticalAlignment = Bottom
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88
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89 engine.processEventsFor(panel)
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90
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91 panel.refresh()
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92 counterText.refresh()
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93 origin.refresh()
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94 help_text.refresh()
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95
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96 engine.renderScene(scene)
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97 engine.destroy()
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98
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99
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100 when isMainModule:
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101 main()
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