\r\npackage jp.yucchi.trydisplacementmap;\r\n\r\nimport javafx.application.Application;\r\nimport javafx.scene.Scene;\r\nimport javafx.scene.effect.DisplacementMap;\r\nimport javafx.scene.effect.Effect;\r\nimport javafx.scene.effect.FloatMap;\r\nimport javafx.scene.image.Image;\r\nimport javafx.scene.image.ImageView;\r\nimport javafx.scene.input.MouseButton;\r\nimport javafx.scene.layout.StackPane;\r\nimport javafx.stage.Stage;\r\n\r\n\/**\r\n *\r\n * @author Yucchi\r\n *\/\r\npublic class TryDisplacementMap extends Application {\r\n \r\n private static final int RADIUS = 180;\r\n private int width;\r\n private int height;\r\n private int centerX;\r\n private int centerY;\r\n private int offsetX;\r\n private int offsetY;\r\n \r\n @Override\r\n public void start(Stage primaryStage) {\r\n \r\n StackPane root = new StackPane();\r\n root.setPrefSize(419, 594);\r\n ImageView iv = new ImageView(new Image(getClass().getResource(\"resources\/g1.jpg\").toString()));\r\n \r\n width = (int) iv.getImage().getWidth();\r\n height = (int) iv.getImage().getHeight();\r\n centerX = width \/ 2;\r\n centerY = height \/ 2;\r\n \r\n root.getChildren().add(iv);\r\n Scene scene = new Scene(root);\r\n primaryStage.setScene(scene);\r\n primaryStage.setTitle(\"DisplacementMap \u3067\u904a\u3076\uff01\");\r\n primaryStage.show();\r\n \r\n iv.setOnMouseClicked(e -> {\r\n if (e.getButton() == MouseButton.PRIMARY) {\r\n offsetX = (int) (e.getX() - centerX);\r\n offsetY = (int) (e.getY() - centerY);\r\n iv.setEffect(createEffect(width, height));}\r\n });\r\n\r\n }\r\n\r\n private Effect createEffect(int width, int height) {\r\n\r\n FloatMap floatMap = new FloatMap(width, height);\r\n \r\n int moveY = 0; \/\/ 50, -50\r\n\r\n for (int x = 0; x < width; x++) {\r\n for (int y = 0; y < height; y++) {\r\n double r = Math.sqrt(Math.pow(x - centerX - offsetX, 2.0d) + Math.pow(y - centerY - offsetY + moveY, 2.0d));\r\n if (r <= RADIUS && r != 0) {\r\n float v = (float) (Math.sin(Math.PI * y \/ height * 2.0) * 0.10f * Math.pow((RADIUS - r) \/ RADIUS, 0.7));\r\n float u = (float) (Math.sin(Math.PI * x \/ width * 2.0) * 0.10f * Math.pow((RADIUS - r) \/ RADIUS, 0.7));\r\n floatMap.setSamples(x, y, u, v);\r\n } \r\n }\r\n }\r\n \r\n DisplacementMap displacementMap = new DisplacementMap(floatMap);\r\n return displacementMap;\r\n\r\n }\r\n\r\n \/**\r\n * @param args the command line arguments\r\n *\/\r\n public static void main(String[] args) {\r\n launch(args);\r\n }\r\n \r\n}\r\n<\/pre>\n<\/p>\n
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~~\u7537\u306e\u6d6a\u6f2b\u306f\u5e38\u306b\u5371\u967a\u3068\u96a3\u308a\u5408\u308f\u305b\u3063\u3066\u3053\u3068\u3067\u3059\uff01<\/p>\n~~
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~~Java \u6700\u9ad8\uff01<\/strong><\/font><\/p>\n~~
~~Hatena \u30bf\u30b0:~~ Java<\/a><\/div>\n
\n
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$Facebook \u306b\u30b7\u30a7\u30a2$ <\/a><\/div>\n
<\/g:plusone><\/div>\n
Tweet<\/a><\/div>\n <\/div>\n
\n","protected":false},"excerpt":{"rendered":"
\u65b0\u5e74\u3042\u3051\u307e\u3057\u3066\u304a\u3081\u3067\u3068\u3046\u3054\u3056\u3044\u307e\u3059\u3002 \u672c\u5e74\u3082\u3069\u3046\u305e\u3088\u308d\u3057\u304f\u304a\u9858\u3044\u3057\u307e\u3059\u3002 \u3055\u3066\u30012016\u5e74\u306b\u306a\u3063\u305f\u304b\u3089\u3063\u3066\u79c1\u304c\u79c1\u3067\u3042\u308b\u3053\u3068\u306b\u306f\u304b\u308f\u308a\u306a\u3044\u3002 \u3044\u3064\u3082\u306e\u3088\u3046\u306b\u3075\u3056\u3051\u3066\u697d\u3057\u3093\u3067\u3044\u3051\u305f\u3089\u305d\u308c\u3060\u3051\u3067\u5e78\u305b\u3067\u3059\u3002 \u3068\u3044\u3046\u3053\u3068\u3067\u3001\u4eca\u5e74\u3082\u304a\u3063\u3071\u3044\u30cd\u30bf\u3067\u30b9\u30bf\u30fc\u30c8\u3067\u3059\u3002 \u3044\u3064\u304b\u3089\u304b\u306f\u899a\u3048\u3066\u306a\u3044\u3051\u306912\u6708\u306f Advent Calendar \u3063\u3066\u306e\u304c\u3042\u3063\u3066\u5fd9\u3057\u3044\u4e2d\uff11\u65e5\u304b\u308925\u65e5\u307e\u3067\u30ea\u30ec\u30fc\u65b9\u5f0f\u3067\u3042\u308b\u7279\u5b9a\u306e\u30ab\u30c6\u30b4\u30ea\u30fc\u306e\u30d6\u30ed\u30b0\u3092\u304b\u304f\u30a4\u30d9\u30f3\u30c8\u304c\u3042\u308a\u307e\u3059\u3002 \u305d\u306e\u4e2d\u3067 JavaFX Advent Calendar 2015 \u3063\u3066\u306e\u304c\u3042\u3063\u3066\u79c1\u306b\u3068\u3063\u3066\u306f\u77e5\u3089\u306a\u3044\u6280\u8853\u3092\u77e5\u308b\u3044\u3044\u6a5f\u4f1a\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002 \u4eca\u65e5\u306e\u304a\u3063\u3071\u3044\u30cd\u30bf\u306f\u305d\u306e\u4e2d\u306e\u4e00\u3064\u306e\u6280\u8853\u2026<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[17],"class_list":["post-2159","post","type-post","status-publish","format-standard","hentry","category-java","tag-java"],"_links":{"self":[{"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/2159","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2159"}],"version-history":[{"count":6,"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/2159\/revisions"}],"predecessor-version":[{"id":2166,"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/2159\/revisions\/2166"}],"wp:attachment":[{"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2159"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2159"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2159"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}