;============================================================
;                                                 2006/--/--
	title "S.Programs Cosmic Flower"
;	version 1.0/sample_ver
;                               http://sprocket.babyblue.jp/
;============================================================
/*
・天ノ花

色とりどりの星々で構成された「天ノ花 (あまのはな)」を描くスクリプトです。
宇宙空間に宝石をまいたようなイメージで書いてみました。

[Enter] : フルスクリーン切り替え
[Esc] : 終了

*/

#include "d3m.hsp"

;============================================================
;	main
;============================================================

; config
#const	PTC_N	10

;------------------------------------------------------------
; init
	; パーティクル作成

	; ランダム放射形
	repeat 100
		arr(cnt) = rnd(50) + 50
	loop
	arr = 1, 47
	d3mkparticle   ,  300, 300, 600,  arr

	; ×型
	arr = 4, 4,  30, 30, 140, 30
	d3mkparticle  1,  200, 200, 400,  arr

	; 星
	arr = 5, 2,  100, 45
	d3mkparticle  2,  500, 500, 100,  arr

	; サクラ
	arr = 5, 6,  80, 100, 75, 40, 75, 100
	d3mkparticle  3,  400, 200, 200,  arr

	; プロペラ
	arr = 7, 6,  100, 90, 80, 70, 60, 50
	d3mkparticle  4,  300, 300, 300,  arr

	; 結晶
	arr = 6, 10, 100, 90, 70, 50, 50, 50, 50, 50, 70, 90
	d3mkparticle  5,  200, 400, 400,  arr

	; よつば
	arr = 4, 10,  100, 97, 90, 80, 65, 40, 65, 80, 90, 97
	d3mkparticle  6,  100, 400, 100,  arr

	; hexa
	arr = 6, 2,  40, 110
	d3mkparticle  7,  200, 300, 400,  arr

	; sun
	arr = 10, 2, 100, 66
	d3mkparticle  8,  400, 200, 100,  arr

	; †
	arr = 4, 8,  100, 100, 52, 36, 28, 36, 52, 100
	d3mkparticle  9,  100, 300, 500,  arr


	t_start = d3timer()


;------------------------------------------------------------
*mainloop


	;------------------------------------------------------------
	; full-screen ctrlr (toggle : Enter)

	stick ky_inp
	if ky_inp & 128 : end
	if ky_inp & 32 {
		mode_fsc ^= 1
		chgdisp mode_fsc ; (default : 640, 480)
		if mode_fsc {
			bgscr 2
			gsel 2, 2
			mouse -1
		} else {
			gsel 2, -1
			gsel
			mouse
		}
	}


	;------------------------------------------------------------
	; setup

	randomize 0
	redraw 0

	sec = 0.001 * d3timer()
	div = (d3timer() - t_start + 1000) // start-efct divisor

	cz = sin(sec/13)*500 + 8000000.0/div

	hsvcolor 112, 128 - 128000/div, limit(limit(80 - cz*cz/1000, 0, 255) + 300000/div, 0, 255)
	boxf


	;------------------------------------------------------------
	; カメラ座標

	#define f0 sec / 7
	#define r0 600
	#define f1 sec / 11
	#define r1 500
	d3setcam  cos(f0)*r0, sin(f0)*r0, cz,  cos(f1)*r1, sin(f1)*r1, 0


	;------------------------------------------------------------
	; stars

	#define GX_STARS 300

	repeat GX_STARS

		; --- galaxy

		r = (5.0 + cnt) / GX_STARS
		j = 1.0 - r
		r *= 900
		f = 1.264 * cnt - j * rnd(60) / 100

		d3vpos cos(f) * r, sin(f) * r, ((10000 / (r + 100)) * (cnt\3-1))

		gosub *draw_ptc

		if cnt\17=0 : d3particlem 1, 70


		; --- bg

		j = 2
		d3vpos rnd(32768)-16384, rnd(32768)-16384, rnd(32768)-16384
		gosub *draw_ptc
	loop


	;------------------------------------------------------------
	; center x

;	gmode 5, , , 80
	d3particle  2,  0, 0, 0,  200
	d3particlem  ,  150
	d3particlem  ,  300


	redraw
	await ;10

	goto *mainloop


;------------------------------------------------------------
*draw_ptc
	gmode 5, , , 224
	d3particlem rnd(PTC_N),  j * 25 + 5
	gmode 5, , , 76
	d3particlem rnd(PTC_N),  j * 60 + 10

	return