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| 1 | package raytrace; | |
| 2 | ||
| 3 | import processing.core.PApplet; | |
| 4 | ||
| 5 | ||
| 6 | public class Raytrace extends PApplet {
| |
| 7 | public static void main(String[] args) {
| |
| 8 | } | |
| 9 | ||
| 10 | double yaw = Math.PI*-0.25; | |
| 11 | double pitch = Math.PI*-0.1875; | |
| 12 | double x; | |
| 13 | double y; | |
| 14 | double z; | |
| 15 | double d; | |
| 16 | int screenX; | |
| 17 | int screenY; | |
| 18 | int shade; | |
| 19 | int cont = 0; | |
| 20 | double distance; | |
| 21 | double xv; | |
| 22 | double yv; | |
| 23 | double zv; | |
| 24 | int frames = 0; | |
| 25 | double trueYaw = Math.PI*0.1; | |
| 26 | double truePitch = Math.PI*0.5; | |
| 27 | - | double collisionAccuracy = 1; |
| 27 | + | double collisionAccuracy = 0.1; |
| 28 | int oldY; | |
| 29 | //boolean isTouching; | |
| 30 | int r; | |
| 31 | int g; | |
| 32 | int b; | |
| 33 | double plus = 0; | |
| 34 | int shadowY; | |
| 35 | ||
| 36 | public boolean check(double X, double Y, double Z) {
| |
| 37 | //isTouching = false; | |
| 38 | r= 0; | |
| 39 | g = 0; | |
| 40 | b = 0; | |
| 41 | //System.out.println(Y); | |
| 42 | if (Z > 20 && Z < 30 && X > -5 && X < 5 && Y > -5 && Y < 5) {
| |
| 43 | //System.out.println("blue");
| |
| 44 | r = 0; | |
| 45 | g = 0; | |
| 46 | b = 1; | |
| 47 | //System.out.println("true");
| |
| 48 | return true; | |
| 49 | } | |
| 50 | //System.out.println(Y); | |
| 51 | if (Y < -50) {
| |
| 52 | //System.out.println("red");
| |
| 53 | r = 1; | |
| 54 | g = 0; | |
| 55 | b = 0; | |
| 56 | return true; | |
| 57 | } | |
| 58 | return false; | |
| 59 | /* if ((Math.sqrt(Math.sin(yaw)*Math.sin(yaw)+Math.sin(pitch)*Math.sin(pitch)+Math.cos(yaw)-20*Math.cos(yaw+Math.sin(pitch)-20*Math.cos(yaw+Math.sin(pitch))))) < 5) {
| |
| 60 | //System.out.println("green");
| |
| 61 | r = 0; | |
| 62 | g = 1; | |
| 63 | b = 0; | |
| 64 | isTouching = true; | |
| 65 | */ | |
| 66 | } | |
| 67 | ||
| 68 | ||
| 69 | public void cast(double YAW, double PITCH) {
| |
| 70 | //yaw = 0; | |
| 71 | //pitch = 0; | |
| 72 | //speed = speed + 1; | |
| 73 | //System.out.println(speed); | |
| 74 | cont = 0; | |
| 75 | x = -5; | |
| 76 | y = 15; | |
| 77 | z = 25; | |
| 78 | //System.out.println(Math.sqrt(Math.sin(yaw)*Math.sin(yaw)+Math.sin(pitch)*Math.sin(pitch)+Math.cos(yaw)*Math.cos(yaw+Math.sin(pitch)*Math.cos(yaw+Math.sin(pitch))))); | |
| 79 | /* | |
| 80 | xv = (Math.sin(YAW)*collisionAccuracy); | |
| 81 | yv = (Math.sin(PITCH)*collisionAccuracy*(Math.cos(YAW-Math.PI*trueYaw))); | |
| 82 | zv = (Math.cos(YAW)*collisionAccuracy); | |
| 83 | */ | |
| 84 | ||
| 85 | xv = (Math.sin(YAW)*collisionAccuracy)*Math.cos(PITCH); | |
| 86 | yv = (Math.sin(PITCH)*collisionAccuracy); | |
| 87 | zv = (Math.cos(YAW)*collisionAccuracy)*Math.cos(PITCH); | |
| 88 | distance = 0; | |
| 89 | do {
| |
| 90 | x = x + xv; | |
| 91 | y = y + yv; | |
| 92 | z = z + zv; | |
| 93 | distance = distance + collisionAccuracy; | |
| 94 | //System.out.println("x " + x + "y " + y + "z " + z);
| |
| 95 | ; | |
| 96 | if (check(x, y, z)) {
| |
| 97 | oldY = (int)y; | |
| 98 | cont = 1; | |
| 99 | shadowY = 500; | |
| 100 | do {
| |
| 101 | shadowY = shadowY - 1; | |
| 102 | } while (!check(x, shadowY, z)); | |
| 103 | if ((oldY-1) < shadowY && (oldY+1) > shadowY ) {
| |
| 104 | fill (r*255,g*255,b*255); | |
| 105 | }else{
| |
| 106 | fill (r*100,g*100,b*100); | |
| 107 | } | |
| 108 | ||
| 109 | //cont = 1; | |
| 110 | //System.out.println("DETECTED CUBE");
| |
| 111 | } | |
| 112 | if (distance > 200 && cont == 0) {
| |
| 113 | fill (0, 0, 0); | |
| 114 | cont = 1; | |
| 115 | ||
| 116 | } | |
| 117 | } while (cont == 0); | |
| 118 | ||
| 119 | } | |
| 120 | ||
| 121 | ||
| 122 | ||
| 123 | public void setup() {
| |
| 124 | size(1200,900); | |
| 125 | screenX = 0; | |
| 126 | screenY = 0; | |
| 127 | } | |
| 128 | public void draw() {
| |
| 129 | background(255); | |
| 130 | noStroke(); | |
| 131 | screenX = 0; | |
| 132 | screenY = 900; | |
| 133 | pitch = Math.PI*-0.1875+Math.PI*truePitch; | |
| 134 | yaw = Math.PI*-0.25+Math.PI*trueYaw; | |
| 135 | //plus = plus + 0.1; | |
| 136 | //yaw = yaw + plus; | |
| 137 | do {
| |
| 138 | do {
| |
| 139 | yaw = yaw + ((Math.PI*0.5)/1200); | |
| 140 | //System.out.println("screenX" + screenX);
| |
| 141 | screenX = screenX + 1; | |
| 142 | cast(yaw, pitch); | |
| 143 | rect(screenX,screenY,1,1); | |
| 144 | } while(screenX < 1200); | |
| 145 | //System.out.println("screenY" + screenY);
| |
| 146 | screenY = screenY - 1; | |
| 147 | pitch = pitch + ((Math.PI*0.375)/900); | |
| 148 | yaw = Math.PI*-0.25+Math.PI*trueYaw + plus; | |
| 149 | screenX = 0; | |
| 150 | cast(yaw, pitch); | |
| 151 | rect(screenX,screenY,1,1); | |
| 152 | } while(screenY > 0); | |
| 153 | frames = frames + 1; | |
| 154 | System.out.println(frames); | |
| 155 | } | |
| 156 | } | |
| 157 | ||
| 158 | ||
| 159 | ||
| 160 | ||
| 161 | //Math.PI*0.25 Math.PI*0.1875 |
