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Dependencies:   mbed

Rasturizer/Rasturizer.cpp@20:3ca430241df0, 2019-04-01 (annotated)

Committer:
el17cd
Date:
Mon Apr 01 17:11:40 2019 +0000
Revision:
20:3ca430241df0
Parent:
19:ec4cb22accb0
Child:
21:6b5d2d75e083
Made renderer sort all faces by z axis and draw instead of being done in game class

Who changed what in which revision?

UserRevisionLine numberNew contents of line
el17cd 1:044238f7bdda 1 #include "Rasturizer.h"
el17cd 2:a5bc7b3779f7 2
el17cd 16:64cd7bc094f9 3
el17cd 4:759a5c34e239 4 N5110 lcd(PTC9,PTC0,PTC7,PTD2,PTD1,PTC11);
el17cd 3:2e31dfcb712a 5
el17cd 4:759a5c34e239 6 Rasturizer::Rasturizer(){
el17cd 20:3ca430241df0 7 for(int i = 0; i < 6; i++){
el17cd 20:3ca430241df0 8 selectionCube.getFace(i).setVisible(true);
el17cd 20:3ca430241df0 9 }
el17cd 20:3ca430241df0 10 }
el17cd 15:8fbbdefbe720 11
el17cd 14:885915260e25 12
el17cd 15:8fbbdefbe720 13 void Rasturizer::init(){
el17cd 15:8fbbdefbe720 14 lcd.init();
el17cd 15:8fbbdefbe720 15 fov = 50;
el17cd 15:8fbbdefbe720 16 }
el17cd 15:8fbbdefbe720 17
el17cd 17:3c9672c6e532 18 float Rasturizer::xTo2D(float x, float z){
el17cd 14:885915260e25 19 return x * (fov/z) + 42;
el17cd 14:885915260e25 20 }
el17cd 14:885915260e25 21
el17cd 17:3c9672c6e532 22 float Rasturizer::yTo2D(float y, float z){
el17cd 14:885915260e25 23 return y * (fov/z) + 21;
el17cd 4:759a5c34e239 24 }
el17cd 1:044238f7bdda 25
el17cd 17:3c9672c6e532 26 void Rasturizer::drawHorizon(float angle){
el17cd 11:2cd6341136ca 27 lcd.drawLine(0,
el17cd 12:b69657862610 28 21-rint(angle*50),
el17cd 11:2cd6341136ca 29 84,
el17cd 12:b69657862610 30 21+rint(angle*50),
el17cd 20:3ca430241df0 31 1);
el17cd 11:2cd6341136ca 32 }
el17cd 11:2cd6341136ca 33
el17cd 17:3c9672c6e532 34 void Rasturizer::drawFace(Face face, float angle){
el17cd 17:3c9672c6e532 35 float points[4][3];
el17cd 4:759a5c34e239 36 for(int vertex = 0; vertex < 4; vertex++){
el17cd 4:759a5c34e239 37 for(int axis = 0; axis < 3; axis++){
el17cd 4:759a5c34e239 38 points[vertex][axis] = face.getVertexValue(vertex, axis);
el17cd 4:759a5c34e239 39 }
el17cd 17:3c9672c6e532 40 float y = points[vertex][1];
el17cd 17:3c9672c6e532 41 float x = points[vertex][0];
el17cd 11:2cd6341136ca 42
el17cd 11:2cd6341136ca 43 points[vertex][0] = x*cos(angle)-y*sin(angle);
el17cd 11:2cd6341136ca 44 points[vertex][1] = y*cos(angle)+x*sin(angle);
el17cd 4:759a5c34e239 45 }
el17cd 6:75031d14fc0d 46
el17cd 19:ec4cb22accb0 47 if (checkOnScreen(points) && face.getVisible()){
el17cd 14:885915260e25 48 int diffX1 = xTo2D(points[0][0], points[0][2])-xTo2D(points[1][0], points[1][2]);
el17cd 14:885915260e25 49 int diffY1 = yTo2D(points[0][1], points[0][2])-yTo2D(points[1][1], points[1][2]);
el17cd 14:885915260e25 50 int diffX2 = xTo2D(points[2][0], points[2][2])-xTo2D(points[3][0], points[3][2]);
el17cd 14:885915260e25 51 int diffY2 = yTo2D(points[2][1], points[2][2])-yTo2D(points[3][1], points[3][2]);
el17cd 8:a667bc5050c1 52
el17cd 17:3c9672c6e532 53 float step = (float)diffY2/(float)diffX2;
el17cd 17:3c9672c6e532 54 float stepSmall1 = (float)diffX1/(float)diffX2;
el17cd 17:3c9672c6e532 55 float stepSmall2 = (float)diffY1/(float)diffX2;
el17cd 9:5915fc800824 56
el17cd 12:b69657862610 57 for(int s = 0; s< abs(diffX2); s++){
el17cd 14:885915260e25 58 if(diffX2 > 0){
el17cd 14:885915260e25 59 lcd.drawLine(rint(xTo2D(points[0][0], points[0][2])-stepSmall1*s),//rint((points[0][0])*(40/points[0][2])-stepSmall1*s)+42,
el17cd 14:885915260e25 60 rint(yTo2D(points[0][1], points[0][2])-stepSmall2*s),
el17cd 14:885915260e25 61 rint(xTo2D(points[3][0], points[3][2])+s),
el17cd 14:885915260e25 62 rint(yTo2D(points[3][1], points[3][2])+step*s),
el17cd 14:885915260e25 63 0);
el17cd 14:885915260e25 64 }
el17cd 14:885915260e25 65 else{
el17cd 14:885915260e25 66 lcd.drawLine(rint(xTo2D(points[0][0], points[0][2])+stepSmall1*s),//rint((points[0][0])*(40/points[0][2])-stepSmall1*s)+42,
el17cd 14:885915260e25 67 rint(yTo2D(points[0][1], points[0][2])+stepSmall2*s),
el17cd 14:885915260e25 68 rint(xTo2D(points[3][0], points[3][2])-s),
el17cd 14:885915260e25 69 rint(yTo2D(points[3][1], points[3][2])-step*s),
el17cd 14:885915260e25 70 0);
el17cd 14:885915260e25 71 }
el17cd 7:15543cb10a14 72 }
el17cd 13:f4de03202477 73 }
el17cd 13:f4de03202477 74 if((points[0][2] > 10 || points[1][2] > 10 || points[2][2] > 10|| points[3][2] > 10)){
el17cd 14:885915260e25 75 for (int i = 0; i < 3; i++){
el17cd 14:885915260e25 76 lcd.drawLine(rint(xTo2D(points[i][0], points[i][2])),
el17cd 14:885915260e25 77 rint(yTo2D(points[i][1], points[i][2])),
el17cd 14:885915260e25 78 rint(xTo2D(points[i+1][0], points[i+1][2])),
el17cd 14:885915260e25 79 rint(yTo2D(points[i+1][1], points[i+1][2])),
el17cd 14:885915260e25 80 1);
el17cd 1:044238f7bdda 81 }
el17cd 14:885915260e25 82 lcd.drawLine(rint(xTo2D(points[0][0], points[0][2])),
el17cd 14:885915260e25 83 rint(yTo2D(points[0][1], points[0][2])),
el17cd 14:885915260e25 84 rint(xTo2D(points[3][0], points[3][2])),
el17cd 14:885915260e25 85 rint(yTo2D(points[3][1], points[3][2])),
el17cd 14:885915260e25 86 1);
el17cd 1:044238f7bdda 87 }
el17cd 4:759a5c34e239 88 }
el17cd 20:3ca430241df0 89 void Rasturizer::drawAllFaces(Face faceArray[], int noOfCubes, float angle){
el17cd 20:3ca430241df0 90 for (int f = 0; f< (noOfCubes*6)-1; f++){
el17cd 20:3ca430241df0 91 for (int f2 = 0; f2< (noOfCubes*6)-f-1; f2++){
el17cd 20:3ca430241df0 92 if(faceArray[f2].getAvgZ() < faceArray[f2+1].getAvgZ()){
el17cd 20:3ca430241df0 93 Face temp = faceArray[f2+1];
el17cd 20:3ca430241df0 94 faceArray[f2+1] = faceArray[f2];
el17cd 20:3ca430241df0 95 faceArray[f2] = temp;
el17cd 20:3ca430241df0 96 }
el17cd 20:3ca430241df0 97 }
el17cd 20:3ca430241df0 98 }
el17cd 20:3ca430241df0 99 for (int f = 0; f< noOfCubes*6 ; f++){
el17cd 20:3ca430241df0 100 drawFace(faceArray[f], angle/15);
el17cd 20:3ca430241df0 101 }
el17cd 20:3ca430241df0 102 }
el17cd 9:5915fc800824 103
el17cd 19:ec4cb22accb0 104 bool Rasturizer::checkOnScreen(float (&points)[4][3]){
el17cd 19:ec4cb22accb0 105 if (points[0][2] < 10 || points[1][2] < 10 || points[2][2] < 10 || points[3][2] < 10){
el17cd 19:ec4cb22accb0 106 return false;
el17cd 19:ec4cb22accb0 107 }
el17cd 19:ec4cb22accb0 108 else if ((xTo2D(points[0][0], points[0][2]) < 0 || xTo2D(points[0][0], points[0][2]) > 84)
el17cd 19:ec4cb22accb0 109 && (xTo2D(points[1][0], points[1][2]) < 0 || xTo2D(points[1][0], points[1][2]) > 84)
el17cd 19:ec4cb22accb0 110 && (xTo2D(points[2][0], points[2][2]) < 0 || xTo2D(points[2][0], points[2][2]) > 84)
el17cd 19:ec4cb22accb0 111 && (xTo2D(points[3][0], points[3][2]) < 0 || xTo2D(points[3][0], points[3][2]) > 84)){
el17cd 19:ec4cb22accb0 112 return false;
el17cd 19:ec4cb22accb0 113 }
el17cd 19:ec4cb22accb0 114 return true;
el17cd 19:ec4cb22accb0 115 }
el17cd 19:ec4cb22accb0 116
el17cd 16:64cd7bc094f9 117 void Rasturizer::print(const char *text, int x, int y){
el17cd 16:64cd7bc094f9 118 lcd.printString(text, x, y);
el17cd 11:2cd6341136ca 119 }
el17cd 11:2cd6341136ca 120
el17cd 4:759a5c34e239 121 void Rasturizer::clear(){
el17cd 4:759a5c34e239 122 lcd.clear();
el17cd 4:759a5c34e239 123 }
el17cd 4:759a5c34e239 124
el17cd 4:759a5c34e239 125 void Rasturizer::refresh(){
el17cd 4:759a5c34e239 126 lcd.refresh();
el17cd 14:885915260e25 127 }
el17cd 14:885915260e25 128
el17cd 16:64cd7bc094f9 129 void Rasturizer::drawDeathScreen(bool selection){
el17cd 20:3ca430241df0 130 Face faces[6];
el17cd 16:64cd7bc094f9 131 int x;
el17cd 16:64cd7bc094f9 132 int y;
el17cd 16:64cd7bc094f9 133 int z;
el17cd 16:64cd7bc094f9 134
el17cd 16:64cd7bc094f9 135 if(selection == true){
el17cd 16:64cd7bc094f9 136 x = -30;
el17cd 16:64cd7bc094f9 137 y = -3;
el17cd 16:64cd7bc094f9 138 z = 50;
el17cd 16:64cd7bc094f9 139 }
el17cd 16:64cd7bc094f9 140 else{
el17cd 16:64cd7bc094f9 141 x = -30;
el17cd 16:64cd7bc094f9 142 y = 15;
el17cd 16:64cd7bc094f9 143 z = 50;
el17cd 16:64cd7bc094f9 144 }
el17cd 16:64cd7bc094f9 145
el17cd 16:64cd7bc094f9 146 lcd.drawRect(24, 14, 45, 11, FILL_WHITE);
el17cd 16:64cd7bc094f9 147 lcd.drawRect(24, 14, 45, 11, FILL_TRANSPARENT);
el17cd 16:64cd7bc094f9 148 lcd.printString("Restart",26,2);
el17cd 16:64cd7bc094f9 149 lcd.drawRect(24, 30, 45, 11, FILL_WHITE);
el17cd 16:64cd7bc094f9 150 lcd.drawRect(24, 30, 45, 11, FILL_TRANSPARENT);
el17cd 16:64cd7bc094f9 151 lcd.printString("Menu",35,4);
el17cd 16:64cd7bc094f9 152 selectionCube.translate(x, y, z);
el17cd 16:64cd7bc094f9 153 for(int i = 0; i < 6; i++){
el17cd 20:3ca430241df0 154 faces[i] = selectionCube.getFace(i);
el17cd 16:64cd7bc094f9 155 }
el17cd 20:3ca430241df0 156 drawAllFaces(faces, 1, 0);
el17cd 16:64cd7bc094f9 157 selectionCube.rotateX(0.1);
el17cd 16:64cd7bc094f9 158 selectionCube.rotateY(0.05);
el17cd 16:64cd7bc094f9 159 selectionCube.rotateZ(-0.08);
el17cd 16:64cd7bc094f9 160 selectionCube.translate(-x, -y, -z);
el17cd 18:8256546a3cbf 161 }
el17cd 18:8256546a3cbf 162
el17cd 18:8256546a3cbf 163 void Rasturizer::drawHomeScreen(int selection){
el17cd 20:3ca430241df0 164 Face faces[6];
el17cd 18:8256546a3cbf 165 int x;
el17cd 18:8256546a3cbf 166 int y;
el17cd 18:8256546a3cbf 167 int z;
el17cd 18:8256546a3cbf 168
el17cd 18:8256546a3cbf 169 if(selection == 0){
el17cd 18:8256546a3cbf 170 x = -30;
el17cd 18:8256546a3cbf 171 y = -12;
el17cd 18:8256546a3cbf 172 z = 50;
el17cd 18:8256546a3cbf 173 }
el17cd 18:8256546a3cbf 174 else if(selection == 1){
el17cd 18:8256546a3cbf 175 x = -30;
el17cd 18:8256546a3cbf 176 y = 5;
el17cd 18:8256546a3cbf 177 z = 50;
el17cd 18:8256546a3cbf 178 }
el17cd 18:8256546a3cbf 179 else{
el17cd 18:8256546a3cbf 180 x = -30;
el17cd 18:8256546a3cbf 181 y = 22;
el17cd 18:8256546a3cbf 182 z = 50;
el17cd 18:8256546a3cbf 183 }
el17cd 18:8256546a3cbf 184
el17cd 18:8256546a3cbf 185 lcd.drawRect(24, 6, 45, 10, FILL_WHITE);
el17cd 18:8256546a3cbf 186 lcd.printString("Play",35,1);
el17cd 18:8256546a3cbf 187 lcd.drawRect(24, 6, 45, 10, FILL_TRANSPARENT);
el17cd 18:8256546a3cbf 188
el17cd 18:8256546a3cbf 189 lcd.drawRect(24, 22, 45, 10, FILL_WHITE);
el17cd 18:8256546a3cbf 190 lcd.printString("Help",35,3);
el17cd 18:8256546a3cbf 191 lcd.drawRect(24, 22, 45, 10, FILL_TRANSPARENT);
el17cd 18:8256546a3cbf 192
el17cd 18:8256546a3cbf 193
el17cd 18:8256546a3cbf 194 lcd.drawRect(24, 38, 45, 10, FILL_WHITE);
el17cd 18:8256546a3cbf 195 lcd.printString("Quit",35,5);
el17cd 18:8256546a3cbf 196 lcd.drawRect(24, 38, 45, 10, FILL_TRANSPARENT);
el17cd 18:8256546a3cbf 197 selectionCube.translate(x, y, z);
el17cd 18:8256546a3cbf 198
el17cd 18:8256546a3cbf 199 for(int i = 0; i < 6; i++){
el17cd 20:3ca430241df0 200 faces[i] = selectionCube.getFace(i);
el17cd 18:8256546a3cbf 201 }
el17cd 20:3ca430241df0 202 drawAllFaces(faces, 1, 0);
el17cd 18:8256546a3cbf 203 selectionCube.rotateX(-0.1);
el17cd 18:8256546a3cbf 204 selectionCube.rotateY(-0.05);
el17cd 18:8256546a3cbf 205 selectionCube.rotateZ(0.08);
el17cd 18:8256546a3cbf 206 selectionCube.translate(-x, -y, -z);
el17cd 1:044238f7bdda 207 }