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update docs

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This commit is contained in:
wooshings
2026-10-27 21:13:12 -07:00
parent f2654d8f8a
commit c45e6b1dbb
9 changed files with 372 additions and 121 deletions
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examples/bouncing_balls.odin
+21 -18
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@@ -3,7 +3,7 @@ package main
import "core:math/rand"
import "core:strconv"
import "core:strings"
import ecs "shoal/src"
import ecs "../src"
import rl "vendor:raylib"
app: ecs.App
@@ -13,7 +13,6 @@ BallComponent :: struct {
radius: f32,
speed: f32,
}
Ball: ecs.Storage(BallComponent)
main :: proc() {
ecs.add_plugin(&app, ecs.DefaultPlugin)
@@ -25,18 +24,22 @@ main :: proc() {
ecs.run(&app)
}
setup_window :: proc() {
window, _ := ecs.single(&ecs.Window)
// STARTUP system taking the world: the window lives in it, so adjusting the
// default WindowComponent is a world lookup now
setup_window :: proc(world: ^ecs.World) {
window, _ := ecs.single(world, ecs.WindowComponent)
window.background = rl.BLACK
}
spawn_balls :: proc() {
// STARTUP system taking the world: spawn_entity wants it, and the balls'
// components live inside it, no global storage to declare
spawn_balls :: proc(world: ^ecs.World) {
for i in 0 ..< ball_count {
ball := ecs.spawn_entity(&app)
ecs.add_component(ball, &Ball, BallComponent{radius = 5, speed = rand.float32_range(4, 6)})
ball := ecs.spawn_entity(world)
ecs.add_component(world, ball, BallComponent{radius = 5, speed = rand.float32_range(4, 6)})
ecs.add_component(
world,
ball,
&ecs.Transform,
ecs.TransformComponent {
translation = {400, 300},
rotation = rand.float32_range(0, 360),
@@ -45,13 +48,13 @@ spawn_balls :: proc() {
}
}
update_balls :: proc() {
window, _ := ecs.single(&ecs.Window)
update_balls :: proc(world: ^ecs.World) {
window, _ := ecs.single(world, ecs.WindowComponent)
balls := ecs.slice(&Ball)
entities := ecs.slice_entity(&Ball)
balls := ecs.slice(world, BallComponent)
entities := ecs.slice_entity(world, BallComponent)
for ball, i in balls {
transform := ecs.get_component(entities[i], &ecs.Transform)
transform := ecs.get_component(world, entities[i], ecs.TransformComponent)
pos := transform.translation
if pos.x <= 0 || pos.x >= f32(window.width) || pos.y <= 0 || pos.y >= f32(window.height) {
@@ -63,11 +66,11 @@ update_balls :: proc() {
}
}
draw_balls :: proc() {
balls := ecs.slice(&Ball)
entities := ecs.slice_entity(&Ball)
draw_balls :: proc(world: ^ecs.World) {
balls := ecs.slice(world, BallComponent)
entities := ecs.slice_entity(world, BallComponent)
for ball, i in balls {
transform := ecs.get_component(entities[i], &ecs.Transform)
transform := ecs.get_component(world, entities[i], ecs.TransformComponent)
rl.DrawCircle(
i32(transform.translation.x),
i32(transform.translation.y),
@@ -81,6 +84,6 @@ show_framerate :: proc() {
fps_buf: [19]byte
framerate := strconv.write_int(fps_buf[:], i64(1 / rl.GetFrameTime()), 10)
rl.DrawText(strings.clone_to_cstring(framerate), 0, 0, 24, rl.WHITE)
rl.DrawText(" fps", 0, 0, 24, rl.WHITE)
rl.DrawText(" fps", 0, 24, 24, rl.WHITE)
rl.DrawText("10000 balls", 0, 24, 24, rl.WHITE)
}