Mercurial > games > semicongine

annotate tests/test_collision.nim @ 749:0b5566fc214d

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add: what seems like a working animation system, atm integrated with entities, will add more for meshes
author Sam <sam@basx.dev>
date Wed, 14 Jun 2023 22:55:00 +0700
parents eb1a6ca20a84
children 89800309ab09
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1 import semicongine
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2
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3
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4 proc main() =
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5 var scene = newScene("main", root=newEntity("rect"))
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6
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7 var obj1 = newEntity("Obj1", rect(color="f00f"))
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8 var obj2 = newEntity("Obj2", rect())
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9 var obj3 = newEntity("Obj3", circle(color="0f0f"))
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10
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11 scene.root.add obj2
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12 scene.root.add obj1
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13 scene.root.add obj3
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14 obj1.transform = scale3d(0.8, 0.8)
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15 obj3.transform = scale3d(0.1, 0.1)
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16 obj1.add HitBox(transform: translate3d(-0.5, -0.5, -0.5))
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17 obj2.add HitBox(transform: translate3d(-0.5, -0.5, -0.5))
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18 obj3.add HitSphere(radius: 0.5)
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19
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20 const
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21 vertexInput = @[
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22 attr[Mat4]("transform", memoryPerformanceHint=PreferFastRead, perInstance=true),
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23 attr[Vec3f]("position", memoryPerformanceHint=PreferFastRead),
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24 attr[Vec4f]("color", memoryPerformanceHint=PreferFastRead),
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25 ]
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26 intermediate = @[attr[Vec4f]("colorout"),]
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27 uniforms = @[attr[Mat4]("perspective")]
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28 fragOutput = @[attr[Vec4f]("fragcolor")]
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29 (vertexCode, fragmentCode) = compileVertexFragmentShaderSet(
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30 inputs=vertexInput,
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31 intermediate=intermediate,
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32 outputs=fragOutput,
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33 uniforms=uniforms,
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34 vertexCode="""gl_Position = vec4(position, 1.0) * (transform * Uniforms.perspective); colorout = color;""",
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35 fragmentCode="""fragcolor = colorout;""",
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36 )
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37
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38 var engine = initEngine("Test collisions")
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39 engine.setRenderer(engine.gpuDevice.simpleForwardRenderPass(vertexCode, fragmentCode))
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40 engine.addScene(scene, vertexInput, @[])
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41 scene.addShaderGlobal("perspective", Unit4F32)
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42
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43 while engine.updateInputs() == Running and not engine.keyIsDown(Escape):
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44 if engine.windowWasResized():
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45 var winSize = engine.getWindow().size
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46 scene.setShaderGlobal("perspective", orthoWindowAspect(winSize[1] / winSize[0]))
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47 if engine.keyIsDown(A): obj1.transform = obj1.transform * translate3d(-0.001, 0, 0)
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48 if engine.keyIsDown(D): obj1.transform = obj1.transform * translate3d( 0.001, 0, 0)
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49 if engine.keyIsDown(W): obj1.transform = obj1.transform * translate3d( 0, -0.001, 0)
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50 if engine.keyIsDown(S): obj1.transform = obj1.transform * translate3d( 0, 0.001, 0)
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51 if engine.keyIsDown(Q): obj1.transform = obj1.transform * rotate3d(-0.001, Z)
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52 if engine.keyIsDown(Key.E): obj1.transform = obj1.transform * rotate3d( 0.001, Z)
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53
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54 if engine.keyIsDown(Key.Z): obj2.transform = obj2.transform * rotate3d(-0.001, Z)
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55 if engine.keyIsDown(Key.X): obj2.transform = obj2.transform * rotate3d( 0.001, Z)
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56 if engine.keyIsDown(Key.C): obj2.transform = obj2.transform * translate3d(0, -0.001, 0)
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57 if engine.keyIsDown(Key.V): obj2.transform = obj2.transform * translate3d(0, 0.001, 0)
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58 var hb1 = HitBox(obj1.components[1])
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59 var hb2 = HitBox(obj2.components[1])
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60 var hb3 = HitSphere(obj3.components[1])
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61 echo overlaps(hb1, hb3)
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62 engine.renderScene(scene)
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63 engine.destroy()
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64
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65
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66 when isMainModule:
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67 main()