ELEC2645 (2018/19) / Mbed 2 deprecated el17cd

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Dependencies:   mbed

Rasturizer/Rasturizer.cpp@4:759a5c34e239, 2019-02-22 (annotated)

Committer:
el17cd
Date:
Fri Feb 22 19:05:28 2019 +0000
Revision:
4:759a5c34e239
Parent:
3:2e31dfcb712a
Child:
6:75031d14fc0d
Cube Class implemented, when instantiated it created 12 vertices and 6 faces

Who changed what in which revision?

UserRevisionLine numberNew contents of line
el17cd 1:044238f7bdda 1 #include "mbed.h"
el17cd 1:044238f7bdda 2 #include "Rasturizer.h"
el17cd 2:a5bc7b3779f7 3
el17cd 4:759a5c34e239 4 N5110 lcd(PTC9,PTC0,PTC7,PTD2,PTD1,PTC11);
el17cd 3:2e31dfcb712a 5
el17cd 3:2e31dfcb712a 6
el17cd 4:759a5c34e239 7 Rasturizer::Rasturizer(){
el17cd 3:2e31dfcb712a 8 lcd.init();
el17cd 4:759a5c34e239 9 }
el17cd 1:044238f7bdda 10
el17cd 4:759a5c34e239 11 void Rasturizer::drawFace(Face face){
el17cd 4:759a5c34e239 12 float points[4][3];
el17cd 4:759a5c34e239 13 for(int vertex = 0; vertex < 4; vertex++){
el17cd 4:759a5c34e239 14 for(int axis = 0; axis < 3; axis++){
el17cd 4:759a5c34e239 15 points[vertex][axis] = face.getVertexValue(vertex, axis);
el17cd 4:759a5c34e239 16 }
el17cd 4:759a5c34e239 17 }
el17cd 1:044238f7bdda 18 int diffX1 = points[0][0]-points[1][0];
el17cd 1:044238f7bdda 19 int diffY1 = points[0][1]-points[1][1];
el17cd 1:044238f7bdda 20 int diffX2 = points[2][0]-points[3][0];
el17cd 1:044238f7bdda 21 int diffY2 = points[2][1]-points[3][1];
el17cd 1:044238f7bdda 22
el17cd 1:044238f7bdda 23 if (abs(diffX1) > abs(diffX2)){
el17cd 1:044238f7bdda 24
el17cd 1:044238f7bdda 25 float step = (float)diffY1/(float)diffX1;
el17cd 1:044238f7bdda 26 float stepSmall1 = (float)diffX2/(float)diffX1;
el17cd 1:044238f7bdda 27 float stepSmall2 = (float)diffY2/(float)diffX1;
el17cd 1:044238f7bdda 28 lcd.printString("top",0,0);
el17cd 1:044238f7bdda 29 for(int s = 0; s<= abs(diffX1)-1; s++){
el17cd 1:044238f7bdda 30 lcd.drawLine(points[0][0]+s, rint(points[0][1]+step*s), rint(points[3][0]-stepSmall1*s), rint(points[3][1]-stepSmall2*s), 0);
el17cd 1:044238f7bdda 31 lcd.drawLine(points[0][0]+s+1, rint(points[0][1]+step*s), rint(points[3][0]-stepSmall1*s-1), rint(points[3][1]-stepSmall2*s), 0);
el17cd 1:044238f7bdda 32 }
el17cd 1:044238f7bdda 33 }
el17cd 1:044238f7bdda 34 else{
el17cd 1:044238f7bdda 35 lcd.printString("bottom",0,0);
el17cd 1:044238f7bdda 36 float step = (float)diffY2/(float)diffX2;
el17cd 1:044238f7bdda 37 float stepSmall1 = (float)diffX1/(float)diffX2;
el17cd 1:044238f7bdda 38 float stepSmall2 = (float)diffY1/(float)diffX2;
el17cd 1:044238f7bdda 39
el17cd 1:044238f7bdda 40 for(int s = 0; s<= abs(diffX2)-1; s++){
el17cd 1:044238f7bdda 41 lcd.drawLine(points[0][0]-stepSmall1*s, rint(points[0][1]-stepSmall2*s),rint(points[3][0]+s), rint(points[3][1]+step*s), 0);
el17cd 1:044238f7bdda 42 lcd.drawLine(points[0][0]-stepSmall1*s-1, rint(points[0][1]-stepSmall2*s),rint(points[3][0]+s+1), rint(points[3][1]+step*s), 0);
el17cd 1:044238f7bdda 43 }
el17cd 1:044238f7bdda 44 }
el17cd 1:044238f7bdda 45 for (int i = 0; i < 3; i++){
el17cd 1:044238f7bdda 46 lcd.drawLine(points[i][0],
el17cd 1:044238f7bdda 47 points[i][1],
el17cd 1:044238f7bdda 48 points[i+1][0],
el17cd 1:044238f7bdda 49 points[i+1][1],
el17cd 1:044238f7bdda 50 1);
el17cd 1:044238f7bdda 51 }
el17cd 1:044238f7bdda 52 lcd.drawLine(points[0][0],
el17cd 1:044238f7bdda 53 points[0][1],
el17cd 1:044238f7bdda 54 points[3][0],
el17cd 1:044238f7bdda 55 points[3][1],
el17cd 1:044238f7bdda 56 1);
el17cd 4:759a5c34e239 57 }
el17cd 4:759a5c34e239 58 void Rasturizer::clear(){
el17cd 4:759a5c34e239 59 lcd.clear();
el17cd 4:759a5c34e239 60 }
el17cd 4:759a5c34e239 61
el17cd 4:759a5c34e239 62 void Rasturizer::refresh(){
el17cd 4:759a5c34e239 63 lcd.refresh();
el17cd 1:044238f7bdda 64 }