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stars.cpp
132 lines (98 loc) · 2.93 KB
/
stars.cpp
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#include "stars.hpp"
#include <stdio.h>
#include <cstdlib>
#include <ctime>
Stars::Stars() {
picture_1.delay = 1;
}
const Frame* Stars::getNextFrame() {
if(std::rand()%40 == 1) { //If new star is born
if((std::rand()%100) % 2 == 0 || std::rand()%100 % 3 == 0) { //Draw new star to main
int x = std::rand()%mainLength;
int y = std::rand()%mainHeight;
while(picture_1.m_face[x][y].r != 0) {
x = std::rand()%mainLength; //Keep changing until unoccupied pixel
y = std::rand()%mainHeight;
}
picture_1.m_face[x][y].r = 2;
picture_1.m_face[x][y].g = 2;
picture_1.m_face[x][y].b = 2;
}
else {
int x = std::rand()%sideLength;
int y = std::rand()%sideHeight;
while(picture_1.m_face[x][y].r != 0) {
x = std::rand()%sideLength; //Keep changing until unoccupied pixel
y = std::rand()%sideHeight;
}
picture_1.m_side[x][y].r = 2;
picture_1.m_side[x][y].g = 2;
picture_1.m_side[x][y].b = 2;
}
} //End of new star creation
for(int i = 0; i < mainLength; i++) {
for(int j = 0; j < mainHeight; j++) {
if(picture_1.m_face[i][j].r%2 == 0 && picture_1.m_face[i][j].r != 0) {
picture_1.m_face[i][j].r++;
picture_1.m_face[i][j].r++;
picture_1.m_face[i][j].g++;
picture_1.m_face[i][j].g++;
picture_1.m_face[i][j].b++;
picture_1.m_face[i][j].b++;
}
if(picture_1.m_face[i][j].r%2 == 1 && picture_1.m_face[i][j].r != 1) { //Odd on way down
picture_1.m_face[i][j].r--;
picture_1.m_face[i][j].r--;
picture_1.m_face[i][j].g--;
picture_1.m_face[i][j].g--;
picture_1.m_face[i][j].b--;
picture_1.m_face[i][j].b--;
}
if(picture_1.m_face[i][j].r == 240) {
//Set to odd, flag for way down
picture_1.m_face[i][j].r--;
picture_1.m_face[i][j].g--;
picture_1.m_face[i][j].b--;
}
if(picture_1.m_face[i][j].r == 1) {
//Turn off star
picture_1.m_face[i][j].r--;
picture_1.m_face[i][j].g--;
picture_1.m_face[i][j].b--;
}
}
}
for(int i = 0; i < sideLength; i++) {
for(int j = 0; j < sideHeight; j++) {
if(picture_1.m_side[i][j].r%2 == 0 && picture_1.m_side[i][j].r != 0) {
picture_1.m_side[i][j].r++;
picture_1.m_side[i][j].r++;
picture_1.m_side[i][j].g++;
picture_1.m_side[i][j].g++;
picture_1.m_side[i][j].b++;
picture_1.m_side[i][j].b++;
}
if(picture_1.m_side[i][j].r%2 == 1 && picture_1.m_side[i][j].r != 1) { //Odd on way down
picture_1.m_side[i][j].r--;
picture_1.m_side[i][j].r--;
picture_1.m_side[i][j].g--;
picture_1.m_side[i][j].g--;
picture_1.m_side[i][j].b--;
picture_1.m_side[i][j].b--;
}
if(picture_1.m_side[i][j].r == 240) {
//Set to odd, flag for way down
picture_1.m_side[i][j].r--;
picture_1.m_side[i][j].g--;
picture_1.m_side[i][j].b--;
}
if(picture_1.m_side[i][j].r == 1) {
//Turn off star
picture_1.m_side[i][j].r--;
picture_1.m_side[i][j].g--;
picture_1.m_side[i][j].b--;
}
}
}
return &picture_1;
}