;============================================================
;   sample_physics.hsp — DxChara + Bullet Physics 動作確認
;   struct member access は `->` 演算子 (`.` は array access)
;============================================================
#bootopt hsp64 1
#cmpopt utf8 1
#include "iron_dxlib.as"

#defstruct VECTOR
    #field float x
    #field float y
    #field float z
#endstruct

    title "hsp3dx: MV1 + Bullet Physics"
    dx_setbgcolor3d 40, 40, 60
    dx_setzbuffer 1
    dx_SetUseLighting 1
    dx_setlightdir 0.3, -0.5, 0.8

    dx_MV1LoadModel "DxChara.mv1"
    model = stat
    if model < 0 : dialog "load failed" : end

    dx_MV1SetPrioritizePhysicsOverAnimFlag model, 1

    dx_SetCameraNearFar 1.0, 10000.0
    dx_setcamerapos 0.0, 500.0, -1500.0, 0.0, 400.0, 0.0

    stdim rot, VECTOR
    angle = 0.0
    prev_t = gettime(7)

    repeat
        now_t = gettime(7)
        delta = double(now_t - prev_t) / 1000.0
        if delta < 0 || delta > 0.1 : delta = 0.016
        prev_t = now_t

        angle = angle + delta
        rot->y = angle                   ; ← arrow operator
        dx_MV1SetRotationXYZ model, rot
        dx_MV1PhysicsCalculation model, delta

        dx_ClsDrawScreen
        dx_MV1DrawModel model
        color 255, 255, 255
        pos 10, 10
        mes "MV1 + Bullet Physics  angle=" + strf("%.2f", angle)
        dx_ScreenFlip
        await 16
    loop