Mercurial > games > semicongine

comparison examples/E10_pong.nim @ 145:a4e6e76128e6

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add: upgrade all simple examples to new engine version
author Sam <sam@basx.dev>
date Wed, 26 Apr 2023 02:15:43 +0700
parents 8bfcaed87cd6
children 253dd797e719
comparison
equal deleted inserted replaced
144:01881f9296fa 145:a4e6e76128e6
1 import semicongine 1 import semicongine
2
3 type
4 Vertex = object
5 position: PositionAttribute[Vec2]
6 color: ColorAttribute[Vec3]
7 transform: ModelTransformAttribute
8 Uniforms = object
9 view: ViewProjectionTransform
10 2
11 const 3 const
12 barcolor = RGBfromHex("5A3F00").gamma(2.2) 4 barcolor = RGBfromHex("5A3F00").gamma(2.2)
13 barSize = 0.1'f 5 barSize = 0.1'f
14 barWidth = 0.01'f 6 barWidth = 0.01'f
16 levelRatio = 1 8 levelRatio = 1
17 ballSize = 0.01'f 9 ballSize = 0.01'f
18 backgroundColor = RGBAfromHex("FAC034").gamma(2.2) 10 backgroundColor = RGBAfromHex("FAC034").gamma(2.2)
19 ballSpeed = 60'f 11 ballSpeed = 60'f
20 12
21 echo RGBAfromHex("FAC034")
22 echo RGBAfromHex("FAC034").gamma(2.2)
23 var 13 var
24 uniforms = Uniforms() 14 level: Entity
25 pipeline: RenderPipeline[Vertex, Uniforms] 15 ballVelocity = newVec2f(1, 1).normalized * ballSpeed
26 level: Thing
27 ballVelocity = Vec2([1'f, 1'f]).normalized * ballSpeed
28 16
17 #[
29 proc globalUpdate(engine: var Engine; t, dt: float32) = 18 proc globalUpdate(engine: var Engine; t, dt: float32) =
30 var height = float32(engine.vulkan.frameSize.y) / float32( 19 var height = float32(engine.vulkan.frameSize.y) / float32(
31 engine.vulkan.frameSize.x) 20 engine.vulkan.frameSize.x)
32 var width = 1'f 21 var width = 1'f
33 uniforms.view.value = ortho[float32]( 22 uniforms.view.value = ortho[float32](
66 barBottom = player.transform.col(3).y + barSize/2 55 barBottom = player.transform.col(3).y + barSize/2
67 ballTop = ball.transform.col(3).y - ballSize/2 56 ballTop = ball.transform.col(3).y - ballSize/2
68 ballBottom = ball.transform.col(3).y + ballSize/2 57 ballBottom = ball.transform.col(3).y + ballSize/2
69 if ballTop >= barTop and ballBottom <= barBottom: 58 if ballTop >= barTop and ballBottom <= barBottom:
70 ballVelocity[0] = abs(ballVelocity[0]) 59 ballVelocity[0] = abs(ballVelocity[0])
71 60 ]#
72 61
73 when isMainModule: 62 when isMainModule:
74 var myengine = igniteEngine("Pong") 63 var myengine = initEngine("Pong")
75 myengine.maxFPS = 61 64 level = newEntity("Level")
76 level = newThing("Level") 65 var playerbarmesh = rect()
77 var playerbarmesh = quad[Vertex, Vec2, float32]()
78 playerbarmesh.vertexData.color.data = @[barcolor, barcolor, barcolor, barcolor] 66 playerbarmesh.vertexData.color.data = @[barcolor, barcolor, barcolor, barcolor]
79 playerbarmesh.vertexData.transform.data = @[Unit44] 67 var playerbar = newEntity("playerbar", playerbarmesh)
80 var playerbar = newThing("playerbar", playerbarmesh) 68 playerbar.transform = scale3d(barWidth, barSize, 1'f) * translate3d(0.5'f, 0'f, 0'f)
81 playerbar.transform = scale3d(barWidth, barSize, 1'f) * translate3d(0.5'f, 69 var player = newEntity("player", playerbar)
82 0'f, 0'f)
83 var player = newThing("player", playerbar)
84 player.transform = translate3d(0'f, 0.3'f, 0'f) 70 player.transform = translate3d(0'f, 0.3'f, 0'f)
85 level.add player 71 level.add player
86 72
87 var ballmesh = circle[Vertex, Vec2, float32]() 73 var ballmesh = circle()
88 ballmesh.vertexData.color.data = newSeq[Vec3]( 74 ballmesh.vertexData.color.data = newSeq[Vec3](ballmesh.vertexData.position.data.len)
89 ballmesh.vertexData.position.data.len)
90 for i in 0 ..< ballmesh.vertexData.color.data.len: 75 for i in 0 ..< ballmesh.vertexData.color.data.len:
91 ballmesh.vertexData.color.data[i] = ballcolor 76 ballmesh.vertexData.color.data[i] = ballcolor
92 ballmesh.vertexData.transform.data = @[Unit44] 77 ballmesh.vertexData.transform.data = @[Unit44]
93 var ball = newThing("ball", ballmesh) 78 var ball = newEntity("ball", ballmesh)
94 ball.transform = scale3d(ballSize, ballSize, 1'f) * translate3d(10'f, 10'f, 0'f) 79 ball.transform = scale3d(ballSize, ballSize, 1'f) * translate3d(10'f, 10'f, 0'f)
95 level.add ball 80 level.add ball
96 81
97 # upload data, prepare shaders, etc
98 const vertexShader = generateVertexShaderCode[Vertex, Uniforms]()
99 const fragmentShader = generateFragmentShaderCode[Vertex]()
100 pipeline = setupPipeline[Vertex, Uniforms, uint16](
101 myengine,
102 level,
103 vertexShader,
104 fragmentShader
105 )
106 pipeline.clearColor = backgroundColor 82 pipeline.clearColor = backgroundColor
107 # show something 83 # show something
108 myengine.run(pipeline, globalUpdate) 84 myengine.run(pipeline, globalUpdate)
109 pipeline.trash() 85
110 myengine.trash() 86 myengine.destroy()