65 lines
1.2 KiB
V
65 lines
1.2 KiB
V
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module anim
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import gg
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import gx
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import sim
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import sim.args as simargs
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const bg_color = gx.white
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struct Pixel {
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x f32
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y f32
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color gx.Color
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}
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struct App {
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pub:
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args simargs.ParallelArgs
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request_chan chan &sim.SimRequest
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result_chan chan &sim.SimResult
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pub mut:
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gg &gg.Context = 0
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iidx int
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pixels []u32
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}
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pub fn new_app(args simargs.ParallelArgs) &App {
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total_pixels := args.grid.height * args.grid.width
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mut app := &App{
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args: args
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pixels: []u32{len: total_pixels}
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request_chan: chan &sim.SimRequest{cap: args.grid.width}
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}
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app.gg = gg.new_context(
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width: args.grid.width
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height: args.grid.height
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create_window: true
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window_title: 'V Pendulum Simulation'
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user_data: app
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bg_color: anim.bg_color
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frame_fn: frame
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init_fn: init
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)
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return app
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}
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fn init(mut app App) {
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app.iidx = app.gg.new_streaming_image(app.args.grid.width, app.args.grid.height, 4,
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pixel_format: .rgba8)
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go pixels_worker(mut app)
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}
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fn frame(mut app App) {
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app.gg.begin()
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app.draw()
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app.gg.end()
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}
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fn (mut app App) draw() {
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mut istream_image := app.gg.get_cached_image_by_idx(app.iidx)
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istream_image.update_pixel_data(&app.pixels[0])
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app.gg.draw_image(0, 0, app.args.grid.width, app.args.grid.height, istream_image)
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}
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