Mercurial > games > semicongine
annotate examples/E10_pong.nim @ 875:a9d2f56556c5
add: 2d-packing algorithm for texture-atlas generation
| author | Sam <sam@basx.dev> |
|---|---|
| date | Thu, 25 Jan 2024 20:23:22 +0700 |
| parents | 812b5e28f441 |
| children | 2ba3f18e7cad |
| rev | line source |
|---|---|
| 607 | 1 import std/times |
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812b5e28f441
did: update examples to work with improved scenegraph/material api, notice removed complexity!
Sam <sam@basx.dev>
parents:
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changeset
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2 import std/tables |
| 607 | 3 |
| 732 | 4 import ../src/semicongine |
| 535 | 5 |
| 607 | 6 let |
| 671 | 7 barcolor = hexToColorAlpha("5A3F00").gamma(2.2).colorToHex() |
| 535 | 8 barSize = 0.1'f |
| 9 barWidth = 0.01'f | |
| 671 | 10 ballcolor = hexToColorAlpha("B17F08").gamma(2.2).colorToHex() |
| 535 | 11 ballSize = 0.01'f |
| 538 | 12 ballSpeed = 60'f |
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did: update examples to work with improved scenegraph/material api, notice removed complexity!
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parents:
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changeset
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13 material = Material(name: "default") |
| 535 | 14 |
| 15 var | |
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16 level: Scene |
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17 ballVelocity = newVec2f(1, 1).normalized * ballSpeed |
| 535 | 18 |
| 19 when isMainModule: | |
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20 var myengine = initEngine("Pong") |
| 535 | 21 |
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812b5e28f441
did: update examples to work with improved scenegraph/material api, notice removed complexity!
Sam <sam@basx.dev>
parents:
777
diff
changeset
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22 var player = rect(color=barcolor, width=barWidth, height=barSize) |
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812b5e28f441
did: update examples to work with improved scenegraph/material api, notice removed complexity!
Sam <sam@basx.dev>
parents:
777
diff
changeset
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23 player.material = material |
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812b5e28f441
did: update examples to work with improved scenegraph/material api, notice removed complexity!
Sam <sam@basx.dev>
parents:
777
diff
changeset
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24 var ball = circle(color=ballcolor) |
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812b5e28f441
did: update examples to work with improved scenegraph/material api, notice removed complexity!
Sam <sam@basx.dev>
parents:
777
diff
changeset
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25 ball.material = material |
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812b5e28f441
did: update examples to work with improved scenegraph/material api, notice removed complexity!
Sam <sam@basx.dev>
parents:
777
diff
changeset
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26 level = Scene(name: "scene", meshes: @[ball, player]) |
| 535 | 27 |
| 607 | 28 const |
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812b5e28f441
did: update examples to work with improved scenegraph/material api, notice removed complexity!
Sam <sam@basx.dev>
parents:
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diff
changeset
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29 shaderConfiguration = createShaderConfiguration( |
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812b5e28f441
did: update examples to work with improved scenegraph/material api, notice removed complexity!
Sam <sam@basx.dev>
parents:
777
diff
changeset
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30 inputs=[ |
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812b5e28f441
did: update examples to work with improved scenegraph/material api, notice removed complexity!
Sam <sam@basx.dev>
parents:
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diff
changeset
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31 attr[Vec3f]("position"), |
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812b5e28f441
did: update examples to work with improved scenegraph/material api, notice removed complexity!
Sam <sam@basx.dev>
parents:
777
diff
changeset
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32 attr[Vec4f]("color", memoryPerformanceHint=PreferFastWrite), |
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812b5e28f441
did: update examples to work with improved scenegraph/material api, notice removed complexity!
Sam <sam@basx.dev>
parents:
777
diff
changeset
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33 attr[Mat4]("transform", memoryPerformanceHint=PreferFastWrite, perInstance=true), |
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812b5e28f441
did: update examples to work with improved scenegraph/material api, notice removed complexity!
Sam <sam@basx.dev>
parents:
777
diff
changeset
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34 ], |
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812b5e28f441
did: update examples to work with improved scenegraph/material api, notice removed complexity!
Sam <sam@basx.dev>
parents:
777
diff
changeset
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35 intermediates=[attr[Vec4f]("outcolor")], |
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812b5e28f441
did: update examples to work with improved scenegraph/material api, notice removed complexity!
Sam <sam@basx.dev>
parents:
777
diff
changeset
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36 uniforms=[attr[Mat4]("projection")], |
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812b5e28f441
did: update examples to work with improved scenegraph/material api, notice removed complexity!
Sam <sam@basx.dev>
parents:
777
diff
changeset
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37 outputs=[attr[Vec4f]("color")], |
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add: changing rendering system, not finished yet, also upgrading to Nim 2
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38 vertexCode="""outcolor = color; gl_Position = vec4(position, 1) * (transform * Uniforms.projection);""", |
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754835bf175e
add: changing rendering system, not finished yet, also upgrading to Nim 2
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parents:
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diff
changeset
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39 fragmentCode="color = outcolor;", |
| 607 | 40 ) |
| 41 | |
| 42 # set up rendering | |
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812b5e28f441
did: update examples to work with improved scenegraph/material api, notice removed complexity!
Sam <sam@basx.dev>
parents:
777
diff
changeset
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43 myengine.initRenderer({"default": shaderConfiguration}.toTable) |
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c33c8e156e3e
did: update examples to use new API for scene + scene globals
Sam <sam@basx.dev>
parents:
627
diff
changeset
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44 level.addShaderGlobal("projection", Unit4f32) |
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797
812b5e28f441
did: update examples to work with improved scenegraph/material api, notice removed complexity!
Sam <sam@basx.dev>
parents:
777
diff
changeset
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45 myengine.addScene(level) |
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606
f41c1b78cf5b
add: upgrade all simple examples to new engine version
Sam <sam@basx.dev>
parents:
546
diff
changeset
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46 |
| 607 | 47 var |
| 48 winsize = myengine.getWindow().size | |
| 49 height = float32(winsize[1]) / float32(winsize[0]) | |
| 50 width = 1'f | |
| 51 currentTime = cpuTime() | |
| 626 | 52 showSystemCursor = true |
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add: support for showing/hiding cursur, X11 fullscreen (win32 still missing)
Sam <sam@basx.dev>
parents:
626
diff
changeset
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53 fullscreen = false |
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34e536f7001f
add: support for showing/hiding cursur, X11 fullscreen (win32 still missing)
Sam <sam@basx.dev>
parents:
626
diff
changeset
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54 while myengine.updateInputs() == Running and not myengine.keyIsDown(Escape): |
| 626 | 55 if myengine.keyWasPressed(C): |
| 56 if showSystemCursor: | |
| 57 myengine.hideSystemCursor() | |
| 58 else: | |
| 59 myengine.showSystemCursor() | |
| 60 showSystemCursor = not showSystemCursor | |
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627
34e536f7001f
add: support for showing/hiding cursur, X11 fullscreen (win32 still missing)
Sam <sam@basx.dev>
parents:
626
diff
changeset
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61 if myengine.keyWasPressed(F): |
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34e536f7001f
add: support for showing/hiding cursur, X11 fullscreen (win32 still missing)
Sam <sam@basx.dev>
parents:
626
diff
changeset
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62 fullscreen = not fullscreen |
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34e536f7001f
add: support for showing/hiding cursur, X11 fullscreen (win32 still missing)
Sam <sam@basx.dev>
parents:
626
diff
changeset
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63 myengine.fullscreen(fullscreen) |
| 626 | 64 |
| 607 | 65 let dt: float32 = cpuTime() - currentTime |
| 66 currentTime = cpuTime() | |
| 67 if myengine.windowWasResized(): | |
| 68 winsize = myengine.getWindow().size | |
| 69 height = float32(winsize[1]) / float32(winsize[0]) | |
| 70 width = 1'f | |
| 709 | 71 setShaderGlobal(level, "projection", ortho(0, width, 0, height, 0, 1)) |
| 607 | 72 if myengine.keyIsDown(Down) and (player.transform.col(3).y + barSize/2) < height: |
|
797
812b5e28f441
did: update examples to work with improved scenegraph/material api, notice removed complexity!
Sam <sam@basx.dev>
parents:
777
diff
changeset
|
73 player.transform = player.transform * translate(0'f, 1'f * dt, 0'f) |
| 607 | 74 if myengine.keyIsDown(Up) and (player.transform.col(3).y - barSize/2) > 0: |
|
797
812b5e28f441
did: update examples to work with improved scenegraph/material api, notice removed complexity!
Sam <sam@basx.dev>
parents:
777
diff
changeset
|
75 player.transform = player.transform * translate(0'f, -1'f * dt, 0'f) |
| 607 | 76 |
| 77 # bounce level | |
| 78 if ball.transform.col(3).x + ballSize/2 > width: ballVelocity[0] = -ballVelocity[0] | |
| 79 if ball.transform.col(3).y - ballSize/2 <= 0: ballVelocity[1] = -ballVelocity[1] | |
| 80 if ball.transform.col(3).y + ballSize/2 > height: ballVelocity[1] = -ballVelocity[1] | |
| 81 | |
|
797
812b5e28f441
did: update examples to work with improved scenegraph/material api, notice removed complexity!
Sam <sam@basx.dev>
parents:
777
diff
changeset
|
82 ball.transform = ball.transform * translate(ballVelocity[0] * dt, ballVelocity[1] * dt, 0'f32) |
| 607 | 83 |
| 84 # loose | |
| 85 if ball.transform.col(3).x - ballSize/2 <= 0: | |
|
797
812b5e28f441
did: update examples to work with improved scenegraph/material api, notice removed complexity!
Sam <sam@basx.dev>
parents:
777
diff
changeset
|
86 ball.transform = scale(ballSize, ballSize, 1'f) * translate(30'f, 30'f, 0'f) |
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627
34e536f7001f
add: support for showing/hiding cursur, X11 fullscreen (win32 still missing)
Sam <sam@basx.dev>
parents:
626
diff
changeset
|
87 ballVelocity = newVec2f(1, 1).normalized * ballSpeed |
| 607 | 88 |
| 89 # bar | |
| 90 if ball.transform.col(3).x - ballSize/2 <= barWidth: | |
| 91 let | |
| 92 barTop = player.transform.col(3).y - barSize/2 | |
| 93 barBottom = player.transform.col(3).y + barSize/2 | |
| 94 ballTop = ball.transform.col(3).y - ballSize/2 | |
| 95 ballBottom = ball.transform.col(3).y + ballSize/2 | |
| 96 if ballTop >= barTop and ballBottom <= barBottom: | |
| 97 ballVelocity[0] = abs(ballVelocity[0]) | |
| 98 | |
| 99 myengine.renderScene(level) |