Mercurial > games > semicongine

comparison examples/E01_hello_triangle.nim @ 777:754835bf175e

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
add: changing rendering system, not finished yet, also upgrading to Nim 2
author Sam <sam@basx.dev>
date Mon, 07 Aug 2023 00:23:00 +0700
parents a4c757f5d17f
children 8084252b807a
comparison
equal deleted inserted replaced
776:002d9c576756 777:754835bf175e
1 import ../src/semicongine 1 import ../src/semicongine
2 2
3 3
4 const 4 const
5 vertexInput = @[ 5 inputs = @[
6 attr[Vec3f]("position"), 6 attr[Vec3f]("position"),
7 attr[Vec4f]("color"), 7 attr[Vec4f]("color"),
8 ] 8 ]
9 vertexOutput = @[attr[Vec4f]("outcolor")] 9 intermediate = @[attr[Vec4f]("outcolor")]
10 fragOutput = @[attr[Vec4f]("color")] 10 outputs = @[attr[Vec4f]("color")]
11 vertexCode = compileGlslShader( 11 (vertexCode, fragmentCode) = compileVertexFragmentShaderSet(
12 stage=VK_SHADER_STAGE_VERTEX_BIT, 12 inputs=inputs,
13 inputs=vertexInput, 13 intermediate=intermediate,
14 outputs=vertexOutput, 14 outputs=outputs,
15 main=""" 15 vertexCode="""
16 gl_Position = vec4(position, 1.0); 16 gl_Position = vec4(position, 1.0);
17 outcolor = color; 17 outcolor = color;
18 """ 18 """,
19 ) 19 fragmentCode="color = outcolor;",
20 fragmentCode = compileGlslShader(
21 stage=VK_SHADER_STAGE_FRAGMENT_BIT,
22 inputs=vertexOutput,
23 outputs=fragOutput,
24 main="color = outcolor;"
25 ) 20 )
26 21
27 var 22 var
28 triangle = newScene("scene", newEntity( 23 triangle = newScene("scene", newEntity(
29 "triangle", 24 "triangle",
34 )) 29 ))
35 myengine = initEngine("Hello triangle") 30 myengine = initEngine("Hello triangle")
36 renderPass = myengine.gpuDevice.simpleForwardRenderPass(vertexCode, fragmentCode) 31 renderPass = myengine.gpuDevice.simpleForwardRenderPass(vertexCode, fragmentCode)
37 32
38 myengine.setRenderer(renderPass) 33 myengine.setRenderer(renderPass)
39 myengine.addScene(triangle, vertexInput, @[], transformAttribute="") 34 myengine.addScene(triangle, inputs, @[], transformAttribute="")
40 35
41 while myengine.updateInputs() == Running and not myengine.keyWasPressed(Escape): 36 while myengine.updateInputs() == Running and not myengine.keyWasPressed(Escape):
42 myengine.renderScene(triangle) 37 myengine.renderScene(triangle)
43 38
44 myengine.destroy() 39 myengine.destroy()