Mercurial > games > semicongine

annotate examples/E04_input.nim @ 63:1862fada1726

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
fix: scene graph, input
author Sam <sam@basx.dev>
date Sat, 04 Feb 2023 02:24:15 +0700
parents 0f04ba283558
children e766d138cc5d
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
60
c57285d292b6 did: deep refactoring of handling vertrex attribute and buffer updates, don't ask ;(
Sam <sam@basx.dev>
parents: 59
diff changeset
1 import std/strutils
38
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
2 import std/times
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
3
56
94d7eed3f118 did: cleanup main namespace, add: better coordinate handling in input example
Sam <sam@basx.dev>
parents: 40
diff changeset
4 import semicongine
38
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
5
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
6 type
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
7 # define type of vertex
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
8 VertexDataA = object
59
d7d9420ba675 did: use new vector and matrix names for simpler code
Sam <sam@basx.dev>
parents: 58
diff changeset
9 position: PositionAttribute[Vec2]
d7d9420ba675 did: use new vector and matrix names for simpler code
Sam <sam@basx.dev>
parents: 58
diff changeset
10 color: ColorAttribute[Vec3]
61
0f04ba283558 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents: 60
diff changeset
11 transform: ModelTransformAttribute
38
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
12 Uniforms = object
59
d7d9420ba675 did: use new vector and matrix names for simpler code
Sam <sam@basx.dev>
parents: 58
diff changeset
13 projection: Descriptor[Mat44]
d7d9420ba675 did: use new vector and matrix names for simpler code
Sam <sam@basx.dev>
parents: 58
diff changeset
14 cursor: Descriptor[Vec2]
38
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
15
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
16 var
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
17 pipeline: RenderPipeline[VertexDataA, Uniforms]
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
18 uniforms: Uniforms
60
c57285d292b6 did: deep refactoring of handling vertrex attribute and buffer updates, don't ask ;(
Sam <sam@basx.dev>
parents: 59
diff changeset
19 scene: Thing
c57285d292b6 did: deep refactoring of handling vertrex attribute and buffer updates, don't ask ;(
Sam <sam@basx.dev>
parents: 59
diff changeset
20 time: float
38
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
21
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
22
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
23 proc globalUpdate(engine: var Engine, dt: float32) =
60
c57285d292b6 did: deep refactoring of handling vertrex attribute and buffer updates, don't ask ;(
Sam <sam@basx.dev>
parents: 59
diff changeset
24 time += dt
c57285d292b6 did: deep refactoring of handling vertrex attribute and buffer updates, don't ask ;(
Sam <sam@basx.dev>
parents: 59
diff changeset
25 uniforms.cursor.value = engine.input.mousePos
56
94d7eed3f118 did: cleanup main namespace, add: better coordinate handling in input example
Sam <sam@basx.dev>
parents: 40
diff changeset
26 uniforms.projection.value = ortho[float32](
60
c57285d292b6 did: deep refactoring of handling vertrex attribute and buffer updates, don't ask ;(
Sam <sam@basx.dev>
parents: 59
diff changeset
27 0'f32, float32(engine.vulkan.frameSize.x),
c57285d292b6 did: deep refactoring of handling vertrex attribute and buffer updates, don't ask ;(
Sam <sam@basx.dev>
parents: 59
diff changeset
28 0'f32, float32(engine.vulkan.frameSize.y),
56
94d7eed3f118 did: cleanup main namespace, add: better coordinate handling in input example
Sam <sam@basx.dev>
parents: 40
diff changeset
29 0'f32, 1'f32,
94d7eed3f118 did: cleanup main namespace, add: better coordinate handling in input example
Sam <sam@basx.dev>
parents: 40
diff changeset
30 )
60
c57285d292b6 did: deep refactoring of handling vertrex attribute and buffer updates, don't ask ;(
Sam <sam@basx.dev>
parents: 59
diff changeset
31 engine.vulkan.device.updateUniformData(pipeline, uniforms)
38
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
32
60
c57285d292b6 did: deep refactoring of handling vertrex attribute and buffer updates, don't ask ;(
Sam <sam@basx.dev>
parents: 59
diff changeset
33 let cursor = firstPartWithName[Mesh[VertexDataA]](scene, "cursor")
c57285d292b6 did: deep refactoring of handling vertrex attribute and buffer updates, don't ask ;(
Sam <sam@basx.dev>
parents: 59
diff changeset
34 if cursor != nil:
c57285d292b6 did: deep refactoring of handling vertrex attribute and buffer updates, don't ask ;(
Sam <sam@basx.dev>
parents: 59
diff changeset
35 for c in cursor.vertexData.color.data.mitems:
c57285d292b6 did: deep refactoring of handling vertrex attribute and buffer updates, don't ask ;(
Sam <sam@basx.dev>
parents: 59
diff changeset
36 c[1] = (sin(time * 8) * 0.5 + 0.5) * 0.2
c57285d292b6 did: deep refactoring of handling vertrex attribute and buffer updates, don't ask ;(
Sam <sam@basx.dev>
parents: 59
diff changeset
37 c[2] = (sin(time * 8) * 0.5 + 0.5) * 0.2
c57285d292b6 did: deep refactoring of handling vertrex attribute and buffer updates, don't ask ;(
Sam <sam@basx.dev>
parents: 59
diff changeset
38 engine.vulkan.device.updateVertexData(cursor.vertexData.color)
61
0f04ba283558 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents: 60
diff changeset
39
0f04ba283558 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents: 60
diff changeset
40 var trans = translate3d(engine.input.mousePos.x, engine.input.mousePos.y, 0'f32)
0f04ba283558 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents: 60
diff changeset
41 # cursor.vertexData.transform.data = @[trans.transposed()]
0f04ba283558 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents: 60
diff changeset
42 engine.vulkan.device.updateVertexData(cursor.vertexData.transform)
60
c57285d292b6 did: deep refactoring of handling vertrex attribute and buffer updates, don't ask ;(
Sam <sam@basx.dev>
parents: 59
diff changeset
43
c57285d292b6 did: deep refactoring of handling vertrex attribute and buffer updates, don't ask ;(
Sam <sam@basx.dev>
parents: 59
diff changeset
44
38
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
45 const
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
46 shape = @[
60
c57285d292b6 did: deep refactoring of handling vertrex attribute and buffer updates, don't ask ;(
Sam <sam@basx.dev>
parents: 59
diff changeset
47 Vec2([ - 1'f32, - 1'f32]),
c57285d292b6 did: deep refactoring of handling vertrex attribute and buffer updates, don't ask ;(
Sam <sam@basx.dev>
parents: 59
diff changeset
48 Vec2([1'f32, - 1'f32]),
59
d7d9420ba675 did: use new vector and matrix names for simpler code
Sam <sam@basx.dev>
parents: 58
diff changeset
49 Vec2([-0.3'f32, -0.3'f32]),
d7d9420ba675 did: use new vector and matrix names for simpler code
Sam <sam@basx.dev>
parents: 58
diff changeset
50 Vec2([-0.3'f32, -0.3'f32]),
60
c57285d292b6 did: deep refactoring of handling vertrex attribute and buffer updates, don't ask ;(
Sam <sam@basx.dev>
parents: 59
diff changeset
51 Vec2([ - 1'f32, 1'f32]),
c57285d292b6 did: deep refactoring of handling vertrex attribute and buffer updates, don't ask ;(
Sam <sam@basx.dev>
parents: 59
diff changeset
52 Vec2([ - 1'f32, - 1'f32]),
38
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
53 ]
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
54 colors = @[
59
d7d9420ba675 did: use new vector and matrix names for simpler code
Sam <sam@basx.dev>
parents: 58
diff changeset
55 Vec3([1'f32, 0'f32, 0'f32]),
d7d9420ba675 did: use new vector and matrix names for simpler code
Sam <sam@basx.dev>
parents: 58
diff changeset
56 Vec3([1'f32, 0'f32, 0'f32]),
d7d9420ba675 did: use new vector and matrix names for simpler code
Sam <sam@basx.dev>
parents: 58
diff changeset
57 Vec3([1'f32, 0'f32, 0'f32]),
d7d9420ba675 did: use new vector and matrix names for simpler code
Sam <sam@basx.dev>
parents: 58
diff changeset
58 Vec3([0.8'f32, 0'f32, 0'f32]),
d7d9420ba675 did: use new vector and matrix names for simpler code
Sam <sam@basx.dev>
parents: 58
diff changeset
59 Vec3([0.8'f32, 0'f32, 0'f32]),
d7d9420ba675 did: use new vector and matrix names for simpler code
Sam <sam@basx.dev>
parents: 58
diff changeset
60 Vec3([0.8'f32, 0'f32, 0'f32]),
38
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
61 ]
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
62
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
63 when isMainModule:
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
64 var myengine = igniteEngine("Input")
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
65
57
547f3a374271 did: refactor Vector names
Sam <sam@basx.dev>
parents: 56
diff changeset
66 var cursormesh = new Mesh[VertexDataA]
547f3a374271 did: refactor Vector names
Sam <sam@basx.dev>
parents: 56
diff changeset
67 cursormesh.vertexData = VertexDataA(
60
c57285d292b6 did: deep refactoring of handling vertrex attribute and buffer updates, don't ask ;(
Sam <sam@basx.dev>
parents: 59
diff changeset
68 position: PositionAttribute[Vec2](data: shape, useOnDeviceMemory: true),
59
d7d9420ba675 did: use new vector and matrix names for simpler code
Sam <sam@basx.dev>
parents: 58
diff changeset
69 color: ColorAttribute[Vec3](data: colors),
61
0f04ba283558 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents: 60
diff changeset
70 transform: ModelTransformAttribute(data: @[Unit44]),
38
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
71 )
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
72 # transform the cursor a bit to make it look nice
57
547f3a374271 did: refactor Vector names
Sam <sam@basx.dev>
parents: 56
diff changeset
73 for i in 0 ..< cursormesh.vertexData.position.data.len:
38
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
74 let cursorscale = (
56
94d7eed3f118 did: cleanup main namespace, add: better coordinate handling in input example
Sam <sam@basx.dev>
parents: 40
diff changeset
75 scale2d(20'f32, 20'f32) *
38
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
76 translate2d(1'f32, 1'f32) *
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
77 rotate2d(-float32(PI) / 4'f32) *
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
78 scale2d(0.5'f32, 1'f32) *
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
79 rotate2d(float32(PI) / 4'f32)
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
80 )
60
c57285d292b6 did: deep refactoring of handling vertrex attribute and buffer updates, don't ask ;(
Sam <sam@basx.dev>
parents: 59
diff changeset
81 let pos = Vec3([cursormesh.vertexData.position.data[i][0],
c57285d292b6 did: deep refactoring of handling vertrex attribute and buffer updates, don't ask ;(
Sam <sam@basx.dev>
parents: 59
diff changeset
82 cursormesh.vertexData.position.data[i][1], 1'f32])
57
547f3a374271 did: refactor Vector names
Sam <sam@basx.dev>
parents: 56
diff changeset
83 cursormesh.vertexData.position.data[i] = (cursorscale * pos).xy
547f3a374271 did: refactor Vector names
Sam <sam@basx.dev>
parents: 56
diff changeset
84
547f3a374271 did: refactor Vector names
Sam <sam@basx.dev>
parents: 56
diff changeset
85 var boxmesh = new Mesh[VertexDataA]
547f3a374271 did: refactor Vector names
Sam <sam@basx.dev>
parents: 56
diff changeset
86 boxmesh.vertexData = VertexDataA(
59
d7d9420ba675 did: use new vector and matrix names for simpler code
Sam <sam@basx.dev>
parents: 58
diff changeset
87 position: PositionAttribute[Vec2](data: shape),
d7d9420ba675 did: use new vector and matrix names for simpler code
Sam <sam@basx.dev>
parents: 58
diff changeset
88 color: ColorAttribute[Vec3](data: colors),
61
0f04ba283558 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents: 60
diff changeset
89 transform: ModelTransformAttribute(data: @[Unit44]),
57
547f3a374271 did: refactor Vector names
Sam <sam@basx.dev>
parents: 56
diff changeset
90 )
60
c57285d292b6 did: deep refactoring of handling vertrex attribute and buffer updates, don't ask ;(
Sam <sam@basx.dev>
parents: 59
diff changeset
91 for i in 0 ..< boxmesh.vertexData.position.data.len:
c57285d292b6 did: deep refactoring of handling vertrex attribute and buffer updates, don't ask ;(
Sam <sam@basx.dev>
parents: 59
diff changeset
92 let boxscale = translate2d(100'f32, 100'f32) * scale2d(100'f32, 100'f32)
c57285d292b6 did: deep refactoring of handling vertrex attribute and buffer updates, don't ask ;(
Sam <sam@basx.dev>
parents: 59
diff changeset
93 let pos = Vec3([boxmesh.vertexData.position.data[i][0],
c57285d292b6 did: deep refactoring of handling vertrex attribute and buffer updates, don't ask ;(
Sam <sam@basx.dev>
parents: 59
diff changeset
94 boxmesh.vertexData.position.data[i][1], 1'f32])
c57285d292b6 did: deep refactoring of handling vertrex attribute and buffer updates, don't ask ;(
Sam <sam@basx.dev>
parents: 59
diff changeset
95 boxmesh.vertexData.position.data[i] = (boxscale * pos).xy
38
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
96
60
c57285d292b6 did: deep refactoring of handling vertrex attribute and buffer updates, don't ask ;(
Sam <sam@basx.dev>
parents: 59
diff changeset
97 scene = newThing("scene")
c57285d292b6 did: deep refactoring of handling vertrex attribute and buffer updates, don't ask ;(
Sam <sam@basx.dev>
parents: 59
diff changeset
98 scene.add newThing("cursor", cursormesh)
c57285d292b6 did: deep refactoring of handling vertrex attribute and buffer updates, don't ask ;(
Sam <sam@basx.dev>
parents: 59
diff changeset
99 scene.add newThing("a box", boxmesh, newTransform(Unit44), newTransform(
c57285d292b6 did: deep refactoring of handling vertrex attribute and buffer updates, don't ask ;(
Sam <sam@basx.dev>
parents: 59
diff changeset
100 translate3d(1'f32, 0'f32, 0'f32)))
c57285d292b6 did: deep refactoring of handling vertrex attribute and buffer updates, don't ask ;(
Sam <sam@basx.dev>
parents: 59
diff changeset
101 scene.add newTransform(scale3d(1.5'f32, 1.5'f32, 1.5'f32))
38
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
102
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
103 # upload data, prepare shaders, etc
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
104 const vertexShader = generateVertexShaderCode[VertexDataA, Uniforms]("""
61
0f04ba283558 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents: 60
diff changeset
105 out_position = uniforms.projection * transform * vec4(position, 0, 1);
38
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
106 """)
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
107 const fragmentShader = generateFragmentShaderCode[VertexDataA]()
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
108 pipeline = setupPipeline[VertexDataA, Uniforms, uint16](
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
109 myengine,
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
110 scene,
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
111 vertexShader,
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
112 fragmentShader
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
113 )
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
114 # show something
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
115 myengine.run(pipeline, globalUpdate)
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
116 pipeline.trash()
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
117 myengine.trash()