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@ -40,8 +40,13 @@ public class Background {
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0xA0000000, //22:00
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0xB0000000, //23:00
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};
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// Сколькигранная звезда?
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private static final int STAR_POINTS = 5;
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/* массив пикселей для затемнения экрана */
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private int[] night;
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private int hour;
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private int w, h;
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@ -54,6 +59,7 @@ public class Background {
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/* Установить затемнение в зависимости от времени суток */
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public final void setNight(int hour) {
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this.hour = hour;
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if (night[0] == colorsNight[hour]) return;
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for (int i = 0; i < night.length; i++)
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night[i] = colorsNight[hour];
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@ -65,11 +71,27 @@ public class Background {
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Image img = Image.createImage(w, h);
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Graphics g = img.getGraphics();
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// Рисуем небо
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Util.drawVGradient(g, 0x1D75F9, 0x8AC8EA, 0, 0, w, h-h/3);
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Util.drawVGradient(g, 0x0052D6, 0x67A5C7, 0, 0, w, h-h/3);
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// Снежный покров
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Util.drawVGradient(g, 0xBEDFE2, 0xE8FFF7, 0, h-h/3, w, h/3);
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Util.drawVGradient(g, 0x9BBCBF, 0xC5DCD4, 0, h-h/3, w, h/3);
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// Елка
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drawTree(g, w/2, h-h/10, h/2);
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return img;
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}
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/*
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* Звезда
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*/
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public void preDraw(Graphics g) {
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int color = 0xFF6666;
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if ((hour > 6) && (hour < 19)) color = 0x994444;
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g.setColor(color);
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drawStar(g, w/2, 2*h/5, g.getClipWidth()/20, 5);
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g.setColor(color-0x002222);
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drawStar(g, w/2, 2*h/5, g.getClipWidth()/25, 5);
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g.setColor(color-0x004444);
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drawStar(g, w/2, 2*h/5, g.getClipWidth()/30, 5);
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}
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/*
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* Пост обработка. Время дня.
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@ -78,4 +100,39 @@ public class Background {
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g.drawRGB(night, 0, w, 0, 0, w, h/2, true);
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g.drawRGB(night, 0, w, 0, h/2, w, h/2, true);
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}
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/* Рисуем елку высотой height */
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private void drawTree(Graphics g, int x, int y, int height) {
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final int FLOOR = 8; // сколько ярусов у елки
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int ww = g.getClipWidth() / 30;
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// Ствол
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g.setColor(0x785B30);
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int ws = ww * 2;
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g.fillRect(x-ws/2, y-ws, ws, 2*ws);
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g.setColor(0x00FF00);
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int hf = height / FLOOR;
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for (int i = 1; i < FLOOR; i++) {
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for (int j = -ww*i; j < ww*i; j++) {
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int green = (int) (220 + Util.random(-30, 30));
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g.setColor(0, green, 0);
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g.drawLine(x, y-height+hf*i-(hf-i), x+j, y-height+hf*(i+1));
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}
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}
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}
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/* Рисуем звезду */
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private void drawStar(Graphics g, int cx, int cy, int radius, int points) {
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double angle = ((Math.PI*2)/points); //360/STAR_POINTS
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double pi2 = -Math.PI/2;
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for (int i = 0; i < STAR_POINTS; i++) {
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int x1 = cx + (int) (radius * Math.cos(angle*i+pi2));
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int y1 = cy + (int) (radius * Math.sin(angle*i+pi2));
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int xl = cx + (int) (radius/2 * Math.cos(angle*i-angle/2+pi2));
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int yl = cy + (int) (radius/2 * Math.sin(angle*i-angle/2+pi2));
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int xr = cx + (int) (radius/2 * Math.cos(angle*i+angle/2+pi2));
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int yr = cy + (int) (radius/2 * Math.sin(angle*i+angle/2+pi2));
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g.fillTriangle(xl, yl, x1, y1, xr, yr);
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}
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g.fillArc(cx-radius/2, cy-radius/2, radius, radius, 0, 360);
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}
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}
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@ -28,7 +28,7 @@ public class DrawParticles extends Canvas implements Runnable {
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setFullScreenMode(true);
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w = getWidth();
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h = getHeight();
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hour = 0;
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hour = 8;
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speed = MIN_SPEED;
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wind = (int) Util.random(0, 360);//250;
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Snow.setSpeed(speed);
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@ -44,12 +44,13 @@ public class DrawParticles extends Canvas implements Runnable {
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public void paint(Graphics g) {
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g.drawImage(background, 0, 0, 20);
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bg.preDraw(g);
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// рисуем системы
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for (int i = 0; i < particles.size(); i++) {
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((ParticleSystem) particles.elementAt(i)).render(g);
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}
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// пост обработка. Ночь/день.
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bg.postDraw(g);
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// эффекты времени суток
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if (Parameters.timeEffects) bg.postDraw(g);
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}
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public void run() {
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@ -63,7 +64,7 @@ public class DrawParticles extends Canvas implements Runnable {
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timeToChangeWind = System.currentTimeMillis() + (long)(Util.random(5, 30)*1000);
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}
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}
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bg.setNight(hour);
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if (Parameters.timeEffects) bg.setNight(hour);
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Snow.setWind(wind);
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repaint();
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try {
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@ -14,4 +14,7 @@ public class Parameters {
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/* Автоматическое изменение ветра */
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public static boolean autoWind = true;
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/* Эффекты времени суток */
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public static boolean timeEffects = true;
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}
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@ -77,7 +77,8 @@ public class Snow extends ParticleSystem {
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int w_y = (int) (window.y / particles[i].z);
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int w_w = (int) (window.w * particles[i].z);
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int wind_x = (int) (2*Math.cos(windAngle));
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if (y > window.h) {
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int y_max = (int) (window.h - (particles[i].z * window.h/3)/MAX_Z);
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if (y > y_max) {//if (y > window.h) {
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if (wind_x > 0) particles[i].x = Util.random(w_x-wind_x*10, w_w);
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else if (wind_x < 0) particles[i].x = Util.random(w_x, w_w-wind_x*10);
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else particles[i].x = Util.random(w_x, w_w);
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@ -109,6 +109,7 @@ public class Util {
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return (ca << 24) | (cr << 16) | (cg << 8) | cb;
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}
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/**
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* Получить цвет нужного канала в пикселе
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* @param argb пиксель
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