Mercurial > games > semicongine

comparison examples/E04_input.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 8ce634aa6ea6
children 253dd797e719
comparison
equal deleted inserted replaced
144:01881f9296fa 145:a4e6e76128e6
54 LetterRow3Extra3, ShiftR, Up, 54 LetterRow3Extra3, ShiftR, Up,
55 55
56 CtrlL, SuperL, AltL, Space, AltR, SuperR, CtrlR, Left, Down, Right 56 CtrlL, SuperL, AltL, Space, AltR, SuperR, CtrlR, Left, Down, Right
57 ] 57 ]
58 58
59 # build keyboard and cursor meshes
59 var 60 var
60 scene: Entity 61 scene: Entity
61 keyvertexpos: seq[Vec3f] 62 keyvertexpos: seq[Vec3f]
62 keyvertexcolor: seq[Vec3f] 63 keyvertexcolor: seq[Vec3f]
63 keymeshindices: seq[array[3, uint16]] 64 keymeshindices: seq[array[3, uint16]]
89 rowpos[0] = 0 90 rowpos[0] = 0
90 rowpos[1] += keyDimension + keyGap * (if firstRow: 2'f32 else: 1'f32) 91 rowpos[1] += keyDimension + keyGap * (if firstRow: 2'f32 else: 1'f32)
91 firstRow = false 92 firstRow = false
92 93
93 94
94
95 when isMainModule: 95 when isMainModule:
96 var myengine = initEngine("Input") 96 var myengine = initEngine("Input")
97 97
98 # transform the cursor a bit to make it look nice 98 # transform the cursor a bit to make it look nice
99 let cursorscale = ( 99 let cursorscale = (
104 rotate2d(float32(PI) / 4'f32) 104 rotate2d(float32(PI) / 4'f32)
105 ) 105 )
106 var positions = arrow 106 var positions = arrow
107 for i in 0 ..< positions.len: 107 for i in 0 ..< positions.len:
108 positions[i] = cursorscale * newVec3f(positions[i].x, positions[i].y) 108 positions[i] = cursorscale * newVec3f(positions[i].x, positions[i].y)
109 # cursor 109
110 var cursormesh = newMesh( 110 # define mesh objects
111 positions=positions, 111 var
112 colors=arrow_colors, 112 cursormesh = newMesh(
113 instanceCount=1, 113 positions=positions,
114 ) 114 colors=arrow_colors,
115 115 instanceCount=1,
116 # keyboard 116 )
117 var keyboardmesh = newMesh( 117 keyboardmesh = newMesh(
118 positions=keyvertexpos, 118 positions=keyvertexpos,
119 colors=keyvertexcolor, 119 colors=keyvertexcolor,
120 indices=keymeshindices 120 indices=keymeshindices
121 ) 121 )
122 122 backgroundmesh = newMesh(
123 # background 123 positions= @[
124 var backgroundmesh = newMesh( 124 newVec3f(0'f32, 0'f32),
125 positions= @[ 125 newVec3f(1'f32, 0'f32),
126 newVec3f(0'f32, 0'f32), 126 newVec3f(1'f32, 1'f32),
127 newVec3f(1'f32, 0'f32), 127 newVec3f(0'f32, 1'f32),
128 newVec3f(1'f32, 1'f32), 128 ],
129 newVec3f(0'f32, 1'f32), 129 colors= @[
130 ], 130 backgroundColor,
131 colors= @[ 131 backgroundColor,
132 backgroundColor, 132 backgroundColor,
133 backgroundColor, 133 backgroundColor,
134 backgroundColor, 134 ],
135 backgroundColor, 135 indices= @[[0'u16, 1'u16, 2'u16], [2'u16, 3'u16, 0'u16]],
136 ], 136 )
137 indices= @[[0'u16, 1'u16, 2'u16], [2'u16, 3'u16, 0'u16]],
138 )
139 137
140 backgroundmesh.setInstanceData("transform", @[Unit4f32]) 138 backgroundmesh.setInstanceData("transform", @[Unit4f32])
141 keyboardmesh.setInstanceData("transform", @[Unit4f32]) 139 keyboardmesh.setInstanceData("transform", @[Unit4f32])
142 cursormesh.setInstanceData("transform", @[Unit4f32]) 140 cursormesh.setInstanceData("transform", @[Unit4f32])
143 141
142 # define mesh objects
144 scene = newEntity("scene") 143 scene = newEntity("scene")
145 scene.add newEntity("background", backgroundmesh) 144 scene.add newEntity("background", backgroundmesh)
146 let keyboard = newEntity("keyboard", keyboardmesh) 145 let keyboard = newEntity("keyboard", keyboardmesh)
147 keyboard.transform = translate3d( 146 keyboard.transform = translate3d(
148 -float32(rowWidth) / 2'f32, 147 -float32(rowWidth) / 2'f32,
150 0'f32 149 0'f32
151 ) 150 )
152 scene.add newEntity("keyboard-center", keyboard) 151 scene.add newEntity("keyboard-center", keyboard)
153 scene.add newEntity("cursor", cursormesh) 152 scene.add newEntity("cursor", cursormesh)
154 153
154 # shaders
155 const 155 const
156 vertexInput = @[ 156 vertexInput = @[
157 attr[Vec3f]("position", memoryLocation=VRAM), 157 attr[Vec3f]("position", memoryLocation=VRAM),
158 attr[Vec3f]("color", memoryLocation=VRAMVisible), 158 attr[Vec3f]("color", memoryLocation=VRAMVisible),
159 attr[Mat4]("transform", memoryLocation=VRAMVisible, perInstance=true), 159 attr[Mat4]("transform", memoryLocation=VRAMVisible, perInstance=true),
173 inputs=vertexOutput, 173 inputs=vertexOutput,
174 uniforms=uniforms, 174 uniforms=uniforms,
175 outputs=fragOutput, 175 outputs=fragOutput,
176 main="color = vec4(outcolor, 1);" 176 main="color = vec4(outcolor, 1);"
177 ) 177 )
178
179 # set up rendering
178 myengine.setRenderer(myengine.gpuDevice.simpleForwardRenderPass(vertexCode, fragmentCode, clearColor=newVec4f(0, 0, 0.5))) 180 myengine.setRenderer(myengine.gpuDevice.simpleForwardRenderPass(vertexCode, fragmentCode, clearColor=newVec4f(0, 0, 0.5)))
179 myengine.addScene(scene, vertexInput, transformAttribute="transform") 181 myengine.addScene(scene, vertexInput, transformAttribute="transform")
180 var projection = initShaderGlobal("projection", Unit4f32) 182 var projection = initShaderGlobal("projection", Unit4f32)
181 scene.add projection 183 scene.add projection
182 while myengine.running and not myengine.keyWasPressed(Escape): 184
183 myengine.updateInputs() 185 # mainloop
184 setValue[Mat4](projection.value, ortho[float32]( 186 while myengine.updateInputs() == Running:
185 0'f32, float32(myengine.getWindow().size[0]), 187 if myengine.windowWasResized():
186 0'f32, float32(myengine.getWindow().size[1]), 188 setValue[Mat4](projection.value, ortho[float32](
187 0'f32, 1'f32, 189 0'f32, float32(myengine.getWindow().size[0]),
188 )) 190 0'f32, float32(myengine.getWindow().size[1]),
189 let 191 0'f32, 1'f32,
190 mousePos = translate3d(myengine.mousePosition().x + 20, myengine.mousePosition().y + 20, 0'f32) 192 ))
191 winsize = myengine.getWindow().size 193 let
192 center = translate3d(float32(winsize[0]) / 2'f32, float32(winsize[1]) / 2'f32, 0.1'f32) 194 winsize = myengine.getWindow().size
195 center = translate3d(float32(winsize[0]) / 2'f32, float32(winsize[1]) / 2'f32, 0.1'f32)
196 scene.firstWithName("keyboard-center").transform = center
197 scene.firstWithName("background").transform = scale3d(float32(winsize[0]), float32(winsize[1]), 1'f32)
198
199 let mousePos = translate3d(myengine.mousePosition().x + 20, myengine.mousePosition().y + 20, 0'f32)
193 scene.firstWithName("cursor").transform = mousePos 200 scene.firstWithName("cursor").transform = mousePos
194 scene.firstWithName("keyboard-center").transform = center
195 scene.firstWithName("background").transform = scale3d(float32(winsize[0]), float32(winsize[1]), 1'f32)
196 201
197 var mesh = Mesh(scene.firstWithName("keyboard").components[0]) 202 var mesh = Mesh(scene.firstWithName("keyboard").components[0])
198 for (index, key) in enumerate(keyIndices): 203 for (index, key) in enumerate(keyIndices):
199 if myengine.keyWasPressed(key): 204 if myengine.keyWasPressed(key):
200 let baseIndex = uint32(index * 4) 205 let baseIndex = uint32(index * 4)