Mercurial > games > semicongine

comparison examples/E10_pong.nim @ 336:887ddc8d45fd

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did: update examples to work with improved scenegraph/material api, notice removed complexity!
author Sam <sam@basx.dev>
date Tue, 05 Sep 2023 00:28:35 +0700
parents b145a05c2459
children 2ba3f18e7cad
comparison
equal deleted inserted replaced
335:f05b4bef44d1 336:887ddc8d45fd
1 import std/times 1 import std/times
2 import std/tables
2 3
3 import ../src/semicongine 4 import ../src/semicongine
4 5
5 let 6 let
6 barcolor = hexToColorAlpha("5A3F00").gamma(2.2).colorToHex() 7 barcolor = hexToColorAlpha("5A3F00").gamma(2.2).colorToHex()
7 barSize = 0.1'f 8 barSize = 0.1'f
8 barWidth = 0.01'f 9 barWidth = 0.01'f
9 ballcolor = hexToColorAlpha("B17F08").gamma(2.2).colorToHex() 10 ballcolor = hexToColorAlpha("B17F08").gamma(2.2).colorToHex()
10 ballSize = 0.01'f 11 ballSize = 0.01'f
11 backgroundColor = hexToColorAlpha("FAC034FF").gamma(2.2)
12 ballSpeed = 60'f 12 ballSpeed = 60'f
13 material = Material(name: "default")
13 14
14 var 15 var
15 level: Scene 16 level: Scene
16 ballVelocity = newVec2f(1, 1).normalized * ballSpeed 17 ballVelocity = newVec2f(1, 1).normalized * ballSpeed
17 18
18 when isMainModule: 19 when isMainModule:
19 var myengine = initEngine("Pong") 20 var myengine = initEngine("Pong")
20 level = newScene("scene", newEntity("Level"))
21 var playerbarmesh = rect(color=barcolor)
22 var playerbar = newEntity("playerbar", {"mesh": Component(playerbarmesh)})
23 playerbar.transform = scale3d(barWidth, barSize, 1'f) * translate3d(0.5'f, 0'f, 0'f)
24 var player = newEntity("player", [], playerbar)
25 player.transform = translate3d(0'f, 0.3'f, 0'f)
26 level.root.add player
27 21
28 var ballmesh = circle(color=ballcolor) 22 var player = rect(color=barcolor, width=barWidth, height=barSize)
29 var ball = newEntity("ball", {"mesh": Component(ballmesh)}) 23 player.material = material
30 ball.transform = scale3d(ballSize, ballSize, 1'f) * translate3d(10'f, 10'f, 0'f) 24 var ball = circle(color=ballcolor)
31 level.root.add ball 25 ball.material = material
26 level = Scene(name: "scene", meshes: @[ball, player])
32 27
33 const 28 const
34 inputs = @[ 29 shaderConfiguration = createShaderConfiguration(
35 attr[Vec3f]("position"), 30 inputs=[
36 attr[Vec4f]("color", memoryPerformanceHint=PreferFastWrite), 31 attr[Vec3f]("position"),
37 attr[Mat4]("transform", memoryPerformanceHint=PreferFastWrite, perInstance=true), 32 attr[Vec4f]("color", memoryPerformanceHint=PreferFastWrite),
38 ] 33 attr[Mat4]("transform", memoryPerformanceHint=PreferFastWrite, perInstance=true),
39 intermediate = @[attr[Vec4f]("outcolor")] 34 ],
40 uniforms = @[attr[Mat4]("projection")] 35 intermediates=[attr[Vec4f]("outcolor")],
41 outputs = @[attr[Vec4f]("color")] 36 uniforms=[attr[Mat4]("projection")],
42 (vertexCode, fragmentCode) = compileVertexFragmentShaderSet( 37 outputs=[attr[Vec4f]("color")],
43 inputs=inputs,
44 intermediate=intermediate,
45 outputs=outputs,
46 uniforms=uniforms,
47 vertexCode="""outcolor = color; gl_Position = vec4(position, 1) * (transform * Uniforms.projection);""", 38 vertexCode="""outcolor = color; gl_Position = vec4(position, 1) * (transform * Uniforms.projection);""",
48 fragmentCode="color = outcolor;", 39 fragmentCode="color = outcolor;",
49 ) 40 )
50 41
51 # set up rendering 42 # set up rendering
52 myengine.setRenderer(myengine.gpuDevice.simpleForwardRenderPass(vertexCode, fragmentCode, clearColor=backgroundColor)) 43 myengine.initRenderer({"default": shaderConfiguration}.toTable)
53 myengine.addScene(level, inputs, @[], transformAttribute="transform")
54 level.addShaderGlobal("projection", Unit4f32) 44 level.addShaderGlobal("projection", Unit4f32)
45 myengine.addScene(level)
55 46
56 var 47 var
57 winsize = myengine.getWindow().size 48 winsize = myengine.getWindow().size
58 height = float32(winsize[1]) / float32(winsize[0]) 49 height = float32(winsize[1]) / float32(winsize[0])
59 width = 1'f 50 width = 1'f
76 if myengine.windowWasResized(): 67 if myengine.windowWasResized():
77 winsize = myengine.getWindow().size 68 winsize = myengine.getWindow().size
78 height = float32(winsize[1]) / float32(winsize[0]) 69 height = float32(winsize[1]) / float32(winsize[0])
79 width = 1'f 70 width = 1'f
80 setShaderGlobal(level, "projection", ortho(0, width, 0, height, 0, 1)) 71 setShaderGlobal(level, "projection", ortho(0, width, 0, height, 0, 1))
81 var player = level.root.firstWithName("player")
82 if myengine.keyIsDown(Down) and (player.transform.col(3).y + barSize/2) < height: 72 if myengine.keyIsDown(Down) and (player.transform.col(3).y + barSize/2) < height:
83 player.transform = player.transform * translate3d(0'f, 1'f * dt, 0'f) 73 player.transform = player.transform * translate(0'f, 1'f * dt, 0'f)
84 if myengine.keyIsDown(Up) and (player.transform.col(3).y - barSize/2) > 0: 74 if myengine.keyIsDown(Up) and (player.transform.col(3).y - barSize/2) > 0:
85 player.transform = player.transform * translate3d(0'f, -1'f * dt, 0'f) 75 player.transform = player.transform * translate(0'f, -1'f * dt, 0'f)
86 76
87 # bounce level 77 # bounce level
88 if ball.transform.col(3).x + ballSize/2 > width: ballVelocity[0] = -ballVelocity[0] 78 if ball.transform.col(3).x + ballSize/2 > width: ballVelocity[0] = -ballVelocity[0]
89 if ball.transform.col(3).y - ballSize/2 <= 0: ballVelocity[1] = -ballVelocity[1] 79 if ball.transform.col(3).y - ballSize/2 <= 0: ballVelocity[1] = -ballVelocity[1]
90 if ball.transform.col(3).y + ballSize/2 > height: ballVelocity[1] = -ballVelocity[1] 80 if ball.transform.col(3).y + ballSize/2 > height: ballVelocity[1] = -ballVelocity[1]
91 81
92 ball.transform = ball.transform * translate3d(ballVelocity[0] * dt, ballVelocity[1] * dt, 0'f32) 82 ball.transform = ball.transform * translate(ballVelocity[0] * dt, ballVelocity[1] * dt, 0'f32)
93 83
94 # loose 84 # loose
95 if ball.transform.col(3).x - ballSize/2 <= 0: 85 if ball.transform.col(3).x - ballSize/2 <= 0:
96 ball.transform = scale3d(ballSize, ballSize, 1'f) * translate3d(30'f, 30'f, 0'f) 86 ball.transform = scale(ballSize, ballSize, 1'f) * translate(30'f, 30'f, 0'f)
97 ballVelocity = newVec2f(1, 1).normalized * ballSpeed 87 ballVelocity = newVec2f(1, 1).normalized * ballSpeed
98 88
99 # bar 89 # bar
100 if ball.transform.col(3).x - ballSize/2 <= barWidth: 90 if ball.transform.col(3).x - ballSize/2 <= barWidth:
101 let 91 let