mahlon/nim-wasm-test
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Hey, nice. Lots to learn still, but this is working.

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This commit is contained in:
Mahlon E. Smith 2025-08-19 13:26:36 -07:00
parent eb25270d34
commit 740211ed4c
Signed by: mahlon
SSH key fingerprint: SHA256:dP84sRGKZRpOOiPD/+GuOq+SHSxEw9qi5BWLQobaHm0
3 changed files with 53 additions and 32 deletions
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48
src/nim_wasm_test.nim
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@ -4,31 +4,45 @@ import std/os
import raylib
# Emscripten specific imports
proc emscripten_set_main_loop(f: proc() {.cdecl.}, a: cint, b: bool) {.importc.}
proc emscripten_sleep(a: cuint) {.importc.}
proc emscripten_set_main_loop( f: proc() {.cdecl.}, a: cint, b: bool ) {.importc.}
proc emscripten_sleep( a: cuint ) {.importc.}
var camera = Camera(
position: Vector3(x: 5, y: 5, z: 10), # Camera position
target: Vector3(x: 0, y: 0, z: 0), # Camera target it looks-at
up: Vector3(x: 0, y: 1, z: 0), # Camera up vector (rotation over its axis)
fovy: 45, # Camera field-of-view apperture in Y (degrees)
projection: Perspective # Defines projection type, see CameraProjection
)
proc main() =
proc mainLoop() {.cdecl.} =
defer: closeWindow()
initWindow( 600, 400, "raylib nim playground" )
initWindow( 800, 600, "raylib nim playground" )
while not windowShouldClose():
if defined(emscripten):
beginDrawing();
clearBackground( RAYWHITE );
beginMode3D( camera );
drawGrid( 10, 1.0f );
endMode3D();
var col = if isCursorOnScreen(): BLUE else: GRAY
drawText( "OH SNAP IT'S WORKING", 10, 10, 20, col );
endDrawing();
if defined( emscripten ):
emscripten_sleep 10
echo "wasm: hi"
else:
sleep 10
main()
echo "native: hi"
if defined( emscripten ):
emscripten_set_main_loop( mainLoop, 0, true );
else:
mainLoop()
# when defined(emscripten):
# # Emscripten can't block so it will call this callback instead.
# emscripten_set_main_loop(main_loop, 0, true);
# else:
# # When running native code we can block in an infinite loop.
# while windowShouldClose(window) == 0:
# mainLoop()
# # If you get ESC key quit.
# if window.getKey(KEY_ESCAPE) == 1:
# window.setWindowShouldClose(1)