import java.io.*; public class Make3D1 { public static final int ENV_R = 31; // --- torus, triangle private static double[] xc; private static double[] yc; private static double[] an; private static void init(int segs) { xc = new double[segs]; yc = new double[segs]; an = new double[segs]; } private static void ngon(int n, int segs, int r1, int r2) throws IOException { init(segs); for (int i = 0; i < n; i++) { double a = i * Math.PI * 2 / n; double x = 32 + r1 * Math.cos(a); double y = 32 + r1 * Math.sin(a); for (int j = 0; j < segs / n; j++) { double b = j * Math.PI * 2 / (segs - n) - Math.PI / n; xc[i * segs / n + j] = x + r2 * Math.cos(a + b); yc[i * segs / n + j] = y + r2 * Math.sin(a + b); an[i * segs / n + j] = a + b; } } } private static void write(String name, int sides, int r) throws IOException { int segs = xc.length; OutputStream os = new FileOutputStream(name); os.write(segs * sides); for (int j = 0; j < sides; j++) { double b = j * Math.PI * 2 / sides; for (int i = 0; i < segs; i++) { os.write((int) (xc[i] - r * Math.cos(an[i]) * Math.sin(b))); os.write((int) (yc[i] - r * Math.sin(an[i]) * Math.sin(b))); os.write((int) (32 - r * Math.cos(b))); os.write((int) (32 - ENV_R * Math.cos(an[i]) * Math.sin(b))); os.write((int) (32 - ENV_R * Math.sin(an[i]) * Math.sin(b))); os.write((int) (32 - ENV_R * Math.cos(b))); } } for (int j = 0; j < sides; j++) { int j2 = (j + 1) % sides; for (int i = 0; i < segs; i++) { int i2 = (i + 1) % segs; os.write(1 + i + segs * j); os.write(1 + i2 + segs * j); os.write(1 + i2 + segs * j2); os.write(1 + i + segs * j2); os.write(0); } } os.write(0); os.close(); } // --- torus // RADIUS1,RADIUS2,SEGMENTS,SIDES -> vide 3D Studio MAX public static final int TORUS_RADIUS1 = 21; public static final int TORUS_RADIUS2 = 10; public static final int TORUS_SEGMENTS = 14; public static final int TORUS_SIDES = 8; private static void torus() throws IOException { init(TORUS_SEGMENTS); for (int i = 0; i < TORUS_SEGMENTS; i++) { double a = i * Math.PI * 2 / TORUS_SEGMENTS; xc[i] = 32 + TORUS_RADIUS1 * Math.cos(a); yc[i] = 32 + TORUS_RADIUS1 * Math.sin(a); an[i] = a; } write("torus.3d1", TORUS_SIDES, TORUS_RADIUS2); } // --- triangle public static final int TRIANGLE_RADIUS1 = 14; public static final int TRIANGLE_RADIUS2 = 10; public static final int TRIANGLE_RADIUS3 = 7; public static final int TRIANGLE_SEGMENTS = 12; public static final int TRIANGLE_SIDES = 6; private static void triangle() throws IOException { ngon(3, TRIANGLE_SEGMENTS, TRIANGLE_RADIUS1, TRIANGLE_RADIUS2); write("triangle.3d1", TRIANGLE_SIDES, TRIANGLE_RADIUS3); } // --- hammer /* 1 /\ 5/ \2 |\6 / | \/|9----------------+10 | | |11---------------+12 7\ |3|... ... \+-+ 8 4 */ public static final int HAMMER_METAL_WIDTH = 12; public static final int HAMMER_METAL_HEIGHT = 26; public static final int HAMMER_METAL_LENGTH = 8; public static final int HAMMER_METAL_HEIGHT1 = 15; public static final int HAMMER_WOOD_LENGTH = 30; public static final int HAMMER_WOOD_RADIUS = 4; public static final int HAMMER_WOOD_SIDES = 6; private static final int HAMMER_X1 = 32 - (HAMMER_METAL_LENGTH + HAMMER_WOOD_LENGTH) / 2; private static final int HAMMER_X2 = HAMMER_X1 + HAMMER_METAL_LENGTH; private static final int HAMMER_X3 = HAMMER_X2 + HAMMER_WOOD_LENGTH; private static final int HAMMER_Y1 = 32 - HAMMER_METAL_HEIGHT / 2; private static final int HAMMER_Y2 = HAMMER_Y1 + HAMMER_METAL_HEIGHT - HAMMER_METAL_HEIGHT1; private static final int HAMMER_Y3 = HAMMER_Y1 + HAMMER_METAL_HEIGHT; private static final int HAMMER_Z1 = 32 - HAMMER_METAL_WIDTH / 2; private static final int HAMMER_Z2 = HAMMER_Z1 + HAMMER_METAL_WIDTH; // normalne ścian metalu private static final double[] n_bok = {0, 0, -1}; private static final double[] n_bok2 = {0, 0, 1}; private static final double[] n_tyl = {1, 0, 0}; private static final double alfa = Math.atan2(HAMMER_METAL_LENGTH, HAMMER_METAL_HEIGHT - HAMMER_METAL_HEIGHT1); private static final double[] n_skos = {-Math.cos(alfa), -Math.sin(alfa), 0}; private static final double[] n_przod = {-1, 0, 0}; private static final double[] n_spod = {0, 1, 0}; private static void norm(OutputStream os, double[] n1, double[] n2, double[] n3) throws IOException { os.write((int) (32 + (n1[0] + n2[0] + n3[0]) * ENV_R / 3)); os.write((int) (32 + (n1[1] + n2[1] + n3[1]) * ENV_R / 3)); os.write((int) (32 + (n1[2] + n2[2] + n3[2]) * ENV_R / 3)); } private static void mepo(OutputStream os, int x, int y, double[] n1, double[] n2) throws IOException { os.write(x); os.write(y); os.write(HAMMER_Z2); norm(os, n1, n2, n_bok2); os.write(x); os.write(y); os.write(HAMMER_Z1); norm(os, n1, n2, n_bok); } private static void hammer() throws IOException { OutputStream os = new FileOutputStream("hammer.3d1"); os.write(8 + 2 * HAMMER_WOOD_SIDES); // punkty metalu mepo(os, HAMMER_X2, HAMMER_Y1, n_skos, n_tyl); // 1,2 mepo(os, HAMMER_X2, HAMMER_Y3, n_spod, n_tyl); // 3,4 mepo(os, HAMMER_X1, HAMMER_Y2, n_skos, n_przod); // 5,6 mepo(os, HAMMER_X1, HAMMER_Y3, n_przod, n_spod); // 7,8 // punkty drewna for (int i = 0; i < HAMMER_WOOD_SIDES; i++) { double a = i * Math.PI * 2 / HAMMER_WOOD_SIDES; int y = (int) (32 - HAMMER_WOOD_RADIUS * Math.cos(a)); int z = (int) (32 - HAMMER_WOOD_RADIUS * Math.sin(a)); os.write(HAMMER_X2); os.write(y); os.write(z); os.write(32); os.write((int) (32 - ENV_R * Math.cos(a))); os.write((int) (32 - ENV_R * Math.sin(a))); os.write(HAMMER_X3); os.write(y); os.write(z); os.write((int) (32 + 31 * 0.7)); os.write((int) (32 - ENV_R * 0.7 * Math.cos(a))); os.write((int) (32 - ENV_R * 0.7 * Math.sin(a))); } // tylna ścianka metalu os.write(new byte[] {2, 1, 3, 4, 0}); // boczne drewno for (int i = 0; i < HAMMER_WOOD_SIDES; i++) { os.write(9 + 2 * i); os.write(10 + 2 * i); os.write(10 + 2 * ((i + 1) % HAMMER_WOOD_SIDES)); os.write(9 + 2 * ((i + 1) % HAMMER_WOOD_SIDES)); os.write(0); } // tył drewna for (int i = 0; i < HAMMER_WOOD_SIDES; i++) os.write(8 + 2 * (HAMMER_WOOD_SIDES - i)); os.write(0); // boki metalu os.write(new byte[] {2, 4, 8, 6, 0}); os.write(new byte[] {1, 5, 7, 3, 0}); // przód metalu os.write(new byte[] {1, 2, 6, 5, 0}); os.write(new byte[] {5, 6, 8, 7, 0}); // spód metalu os.write(new byte[] {4, 3, 7, 8, 0}); os.write(0); os.close(); } public static void main(String[] args) { try { torus(); triangle(); //hammer(); } catch (Exception e) { e.printStackTrace(); } } }