Find Motion [dev.] [1006814]

!7

p {
  RGBImage a = null, b = rgbShootScreen();
  repeat {
    sleep(500);
    time {
      a = b;
      b = rgbShootScreen();
      
      print("*");
      compare(a, b);
    }
  }
}

svoid compare(RGBImage a, RGBImage b) {
  //new HashSet<Pt> deltas;
  new Best<Rect> best;
  for tries to 10: {
    Rect r = randomScreenRect(50, 50);
    RGBImage clip = a.clip(r);
    if (rgbInnerPrecision(clip) >= 0.5f) {
      Rect r2 = rgbSearchPrecise(b, clip);
      if (r2 != null && neq(r, r2)) {
        Pt delta = new Pt(r2.x-r.x, r2.y-r.y);
        Rect match = expandMatch(a, b, r, r2);
        best.put(match, match.w*match.h);
        //print("Movement: " + delta + ". Match size: " + );
      }
    }
  }
  Rect r = best.get();
  if (r != null)
    quickShowImage(rgbScale(a.clip(r), 0.5));
}

static Rect expandMatch(RGBImage a, RGBImage b, Rect r1, Rect r2) {
  assertEquals(r1.w, r2.w);
  assertEquals(r1.h, r2.h);
  //do {
    Rect r = r2;
    while (r2.x > 0 && r1.x > 0 && rgbImageSectionsIdentical(a, new Rect(r1.x-1, r1.y, 1, r1.h), b, new Rect(r2.x-1, r2.y, 1, r2.h))) {
      r1 = growRectLeft(r1, 1); r2 = growRectLeft(r2, 1);
    }
  ret r2;
}

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Snippet ID:	#1006814
Snippet name:	Find Motion [dev.]
Eternal ID of this version:	#1006814/6
Text MD5:	02064f34cbce7aa91429fd3da3af8303
Transpilation MD5:	e105e816f9dd7db56645953d785ff9a9
Author:	stefan
Category:	javax / ocr
Type:	JavaX source code
Public (visible to everyone):	Yes
Archived (hidden from active list):	No
Created/modified:	2017-02-05 03:55:56
Source code size:	1206 bytes / 47 lines
Pitched / IR pitched:	No / No
Views / Downloads:	717 / 888
Version history:	5 change(s)
Referenced in:	[show references]

< > BotCompany Repo | #1006814 // Find Motion [dev.]

JavaX source code [tags: use-pretranspiled] - run with: x30.jar

Author comment

1	!7
2
3	p {
4	RGBImage a = null, b = rgbShootScreen();
5	repeat {
6	sleep(500);
7	time {
8	a = b;
9	b = rgbShootScreen();
10
11	print("*");
12	compare(a, b);
13	}
14	}
15	}
16
17	svoid compare(RGBImage a, RGBImage b) {
18	//new HashSet<Pt> deltas;
19	new Best<Rect> best;
20	for tries to 10: {
21	Rect r = randomScreenRect(50, 50);
22	RGBImage clip = a.clip(r);
23	if (rgbInnerPrecision(clip) >= 0.5f) {
24	Rect r2 = rgbSearchPrecise(b, clip);
25	if (r2 != null && neq(r, r2)) {
26	Pt delta = new Pt(r2.x-r.x, r2.y-r.y);
27	Rect match = expandMatch(a, b, r, r2);
28	best.put(match, match.w*match.h);
29	//print("Movement: " + delta + ". Match size: " + );
30	}
31	}
32	}
33	Rect r = best.get();
34	if (r != null)
35	quickShowImage(rgbScale(a.clip(r), 0.5));
36	}
37
38	static Rect expandMatch(RGBImage a, RGBImage b, Rect r1, Rect r2) {
39	assertEquals(r1.w, r2.w);
40	assertEquals(r1.h, r2.h);
41	//do {
42	Rect r = r2;
43	while (r2.x > 0 && r1.x > 0 && rgbImageSectionsIdentical(a, new Rect(r1.x-1, r1.y, 1, r1.h), b, new Rect(r2.x-1, r2.y, 1, r2.h))) {
44	r1 = growRectLeft(r1, 1); r2 = growRectLeft(r2, 1);
45	}
46	ret r2;
47	}