54 lines
1.5 KiB
Text
54 lines
1.5 KiB
Text
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(local pxl8 (require :pxl8))
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(var camera-angle 0)
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(local camera-height 0)
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(local camera-distance 300)
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(var fps 0)
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(var world nil)
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(fn init []
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(set world (pxl8.world_new))
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(let [result (pxl8.world_load world "res/maps/test.bsp")]
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(if (< result 0)
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(pxl8.error (.. "Failed to load test.bsp - result: " result))
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(pxl8.info "Loaded world successfully!"))))
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(fn update [dt]
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(when (> dt 0)
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(set fps (math.floor (/ 1.0 dt))))
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(when (pxl8.world_is_loaded world)
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(set camera-angle (+ camera-angle (* dt 0.5)))))
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(fn frame []
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(pxl8.clr 0)
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(pxl8.text (.. "FPS: " fps) 10 40 14)
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(if (pxl8.world_is_loaded world)
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(let [cam-x (* camera-distance (math.cos camera-angle))
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cam-z (* camera-distance (math.sin camera-angle))]
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(pxl8.text (.. "Camera: " (string.format "%.0f" cam-x) ","
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(string.format "%.0f" camera-height) ","
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(string.format "%.0f" cam-z)) 10 55 12)
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(pxl8.clear_zbuffer)
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(pxl8.set_backface_culling true)
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(pxl8.set_wireframe true)
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(let [aspect (/ (pxl8.get_width) (pxl8.get_height))
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fov 1.047]
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(pxl8.set_projection (pxl8.mat4_perspective fov aspect 1.0 4096.0)))
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(pxl8.set_view (pxl8.mat4_lookat
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[cam-x camera-height cam-z]
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[0 0 0]
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[0 1 0]))
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(pxl8.set_model (pxl8.mat4_identity))
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(pxl8.world_render world [cam-x camera-height cam-z]))))
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{:init init
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:update update
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:frame frame}
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