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trying to get the Boid to arrive

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This commit is contained in:
Joseph Ferano 2024-09-29 13:20:24 +07:00
parent b118508ea6
commit 88f893e933
1 changed files with 19 additions and 5 deletions
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24
boids.odin
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@ -77,15 +77,30 @@ player_input :: proc(using s: ^GameState) {
} }
update :: proc(using s: ^GameState) { update :: proc(using s: ^GameState) {
max_speed :f32 = 15
if fpoint, ok := follow_point.?; ok { if fpoint, ok := follow_point.?; ok {
for &boid in boids { for &boid in boids {
dist := rl.Vector2LengthSqr(fpoint - boid.pos)
if dist < 10 {
continue
}
desired := fpoint - boid.pos desired := fpoint - boid.pos
desired = rl.Vector2ClampValue(desired, 10, 10) if dist < 200 {
desired = rl.Vector2Normalize(desired) * (dist / 200 * max_speed)
} else {
desired = rl.Vector2Normalize(desired) * max_speed
}
steer := desired - boid.vel steer := desired - boid.vel
steer = rl.Vector2ClampValue(steer, 0, 0.3) steer = rl.Vector2ClampValue(steer, 0, 5)
boid.vel += steer boid.accel += steer
boid.angle = math.atan2(boid.vel.y, boid.vel.x) boid.vel += boid.accel
boid.pos += boid.vel boid.pos += boid.vel
desired_angle := math.atan2(boid.vel.y, boid.vel.x)
angle := rl.Lerp(boid.angle, desired_angle, s.dt * 7)
boid.angle = angle
boid.accel *= 0
} }
} }
} }
@ -106,7 +121,6 @@ main :: proc() {
rl.SetTraceLogLevel(.ERROR) rl.SetTraceLogLevel(.ERROR)
rl.InitWindow(SCREEN_WIDTH, SCREEN_HEIGHT, "Boids") rl.InitWindow(SCREEN_WIDTH, SCREEN_HEIGHT, "Boids")
rl.SetTargetFPS(60) rl.SetTargetFPS(60)
// rl.DisableCursor()
state := init_state() state := init_state()
defer { defer {