57 lines
1.6 KiB
Zig
57 lines
1.6 KiB
Zig
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const coral = @import("coral");
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const std = @import("std");
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const ona = @import("ona");
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const Actors = struct {
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instances: coral.stack.Sequential(ona.gfx.Queue.Instance2D) = .{.allocator = coral.heap.allocator},
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move_x: ona.act.Axis = .{.keys = .{.a, .d}},
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move_y: ona.act.Axis = .{.keys = .{.w, .s}},
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};
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pub fn main() !void {
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try ona.start_app(setup, .{
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.tick_rate = 60,
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.execution = .{.thread_share = 0.1},
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});
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}
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fn load(display: coral.ReadBlocking(ona.gfx.Display), actors: coral.Write(Actors)) !void {
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display.res.resize(1280, 720);
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try actors.res.instances.push_many(800, .{
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.origin = .{75, 75},
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.xbasis = .{100, 0},
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.ybasis = .{0, 100},
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.color = ona.gfx.color.compress(ona.gfx.color.rgb(1, 0, 0)),
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});
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}
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fn exit(actors: coral.Write(Actors)) void {
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actors.res.instances.deinit();
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}
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fn render(gfx: ona.gfx.Queue, actors: coral.Write(Actors)) !void {
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try gfx.buffer.draw_2d(.{
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.mesh_2d = gfx.primitives.quad_mesh,
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.instances = actors.res.instances.values,
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});
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}
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fn update(actors: coral.Write(Actors), mapping: coral.Read(ona.act.Mapping)) !void {
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actors.res.instances.values[0].origin += .{
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mapping.res.axis_strength(actors.res.move_x),
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mapping.res.axis_strength(actors.res.move_y),
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};
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}
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fn setup(world: *coral.World, events: ona.App.Events) !void {
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try world.set_resource(.none, Actors{});
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try world.on_event(events.load, coral.system_fn(load), .{.label = "load"});
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try world.on_event(events.update, coral.system_fn(update), .{.label = "update"});
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try world.on_event(events.exit, coral.system_fn(exit), .{.label = "exit"});
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try world.on_event(events.render, coral.system_fn(render), .{.label = "render actors"});
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}
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