//week15_01_circle_collision_class_Ball_new_Ball_display
void setup()
{
size(640,360);
}
Ball ball = new Ball(100,200,20);
void draw()
{
ball.display();
}
class Ball{
float x,y,r;
Ball(int x0,int y0,int r0){
x = x0;
y = y0;
r = r0;
}
void display(){
ellipse(x,y,r+r,r+r);
}
}
//week15_02_circle_collision_class_Ball_update
void setup()
{
size(640,360);
}
Ball ball = new Ball(100,200,20);
void draw()
{
ball.update();
ball.display();
}
class Ball{
float x,y,r;
float vx,vy;
Ball(int x0,int y0,int r0){
x = x0;
y = y0;
r = r0;
vx = random(-10,+10);
vy = random(-10,+10);
}
void update()
{
if(x+vx >640 || x+vx <0)vx =-vx;
if(y+vy <0 || y+vy >360)vy =-vy;
x += vx;
y += vy;
}
void display(){
ellipse(x,y,r+r,r+r);
}
}
//week15_03_circle_collision_detection_two_ball
void setup()
{
size(640,360);
}
Ball ball = new Ball(100,200,60);
Ball ball2 = new Ball(300,200,60);
void draw()
{
background(51);
if(ball.checkCollision(ball2))fill(#FFAAAA);
else fill(255);
ball.update();
ball.display();
ball2.update();
ball2.display();
}
class Ball{
float x,y,r;
float vx,vy;
Ball(int x0,int y0,int r0){
x = x0;
y = y0;
r = r0;
vx = random(-10,+10);
vy = random(-10,+10);
}
boolean checkCollision(Ball other)
{
if(dist(x,y,other.x,other.y)<r+other.r)return true;
else return false;
}
void update()
{
if(x+vx >640 || x+vx <0)vx =-vx;
if(y+vy <0 || y+vy >360)vy =-vy;
x += vx;
y += vy;
}
void display(){
ellipse(x,y,r+r,r+r);
}
}
//week15_04_circle_collision_cos_sin_vector_N_N2_m_M2_swap
void setup()
{
size(640,360);
}
Ball ball = new Ball(100,200,60);
Ball ball2 = new Ball(300,200,60);
void draw()
{
background(51);
fill(255,255,0);
ball.update();
ball.display();
fill(255);
ball2.update();
ball2.display();
if(ball.checkCollision(ball2))fill(#FFAAAA);
else fill(255);
}
class Ball{
float x,y,r;
float vx,vy;
Ball(int x0,int y0,int r0){
x = x0;
y = y0;
r = r0;
vx = random(-10,+10);
vy = random(-10,+10);
}
boolean checkCollision(Ball other)
{
if(dist(x+vx,y+vy,other.x+other.vx,other.y+other.vy)<=r+other.r){
PVector diff = new PVector(other.x-x,other.y-y);
float len = diff.mag();
float a = diff.heading();
PVector N = diff.copy().normalize();
N.mult(N.dot(new PVector(vx,vy)));
PVector N2 = new PVector(-N.y,N.x).normalize();
N2.mult(N2.dot(new PVector(vx,vy)));
println(N.mag());
PVector M = diff.copy().normalize();
M.mult(M.dot(new PVector(other.vx,other.vy)));
PVector M2 = new PVector(-M.y,M.x).normalize();;
M2.mult(M2.dot(new PVector(other.vx,other.vy)));
PVector newV1 = PVector.add(M,N2);
PVector newV2 = PVector.add(N,M2);
vx = newV1.x;
vy = newV1.x;
other.vx = newV2.x;
other.vy = newV2.y;
return true;
}else return false;
}
void update()
{
if(x+vx >640 || x+vx <0)vx =-vx;
if(y+vy <0 || y+vy >360)vy =-vy;
x += vx;
y += vy;
}
void display(){
ellipse(x,y,r+r,r+r);
}
}
//week15_05_maze_DFS
int[][]maze = {
{1,1,1,1,1,1,1,1,1,1},
{1,0,0,1,1,0,0,0,1,1},
{1,1,0,1,1,0,1,0,1,1},
{1,1,0,0,1,0,1,0,1,1},
{1,0,1,1,0,1,1,0,1,1},
{1,0,0,1,1,0,0,0,1,1},
{1,0,0,0,0,1,1,0,1,1},
{1,0,1,1,1,1,1,0,1,1},
{1,0,0,0,0,0,1,0,0,1},
{1,1,1,1,1,1,1,1,1,1},
};
void setup()
{
size(400,400);
}
void draw()
{
for(int i=0;i<maze.length;i++)
{
for(int j=0;j<maze.length;j++)
{
if(maze[i][j]==1)fill(0);
else fill(255);
rect(j*40,i*40,40,40);
}
}
}
//week15_06_maze_DFS_visited
int[][]maze = {
{1,1,1,1,1,1,1,1,1,1},
{1,0,0,1,1,0,0,0,1,1},
{1,1,0,1,1,0,1,0,1,1},
{1,1,0,0,1,0,1,0,1,1},
{1,0,1,1,0,1,1,0,1,1},
{1,0,0,1,1,0,0,0,1,1},
{1,0,0,0,0,1,1,0,1,1},
{1,0,1,1,1,1,1,0,1,1},
{1,0,0,0,0,0,1,0,0,1},
{1,1,1,1,1,1,1,1,1,1},
};
int[][]visited = new int[10][10];
int startI = 1,startJ = 1,I = 1,J = 1,step = 1;
void setup()
{
size(400,400);
visited[I][J] = step;
}
void draw()
{
for(int i=0;i<maze.length;i++)
{
for(int j=0;j<maze.length;j++)
{
if(maze[i][j]==1)fill(0);
else fill(255);
rect(j*40,i*40,40,40);
}
}
fill(255,0,0);
rect(startJ*40,startI*40,40,40);
}
//week15_07_maze_DFS_visited step mousePressed move
int[][]maze = {
{1,1,1,1,1,1,1,1,1,1},
{1,0,0,1,1,0,0,0,1,1},
{1,1,0,1,1,0,1,0,1,1},
{1,1,0,0,1,0,1,0,1,1},
{1,0,1,1,0,1,1,0,1,1},
{1,0,0,1,1,0,0,0,1,1},
{1,0,0,0,0,1,1,0,1,1},
{1,0,1,1,1,1,1,0,1,1},
{1,0,0,0,0,0,1,0,0,1},
{1,1,1,1,1,1,1,1,1,1},
};
int[][]visited = new int[10][10];
int startI = 1,startJ = 1,I = 1,J = 1,step = 1;
void setup()
{
size(400,400);
visited[I][J] = step;
}
void draw()
{
for(int i=0;i<maze.length;i++)
{
for(int j=0;j<maze[0].length;j++)
{
if(maze[i][j]==1)fill(0);
else fill(255);
rect(j*40,i*40,40,40);
}
}
fill(255,0,0);
rect(startJ*40,startI*40,40,40);
for(int i=0;i<maze.length;i++)
{
for(int j=0;j<maze[0].length;j++)
{
if(visited[i][j]>0)
{
fill(0,0,255);
text(""+visited[i][j],j*40+20,i*40+20);
}
}
}
}
void mousePressed()
{
if(maze[I+1][J]==0)
{
I = I+1;
visited[I][J]=++step;
}else if(maze[I][J+1]==0)
{
J=J+1;
visited[I][J]=++step;
}
}
//week15_08_maze_DFS_boolean
int[][]maze = {
{1,1,1,1,1,1,1,1,1,1},
{1,0,0,1,1,0,0,0,1,1},
{1,1,0,1,1,0,1,0,1,1},
{1,1,0,0,1,0,1,0,1,1},
{1,0,1,1,0,1,1,0,1,1},
{1,0,0,1,1,0,0,0,1,1},
{1,0,0,0,0,1,1,0,1,1},
{1,0,1,1,1,1,1,0,1,1},
{1,0,0,0,0,0,1,0,0,1},
{1,1,1,1,1,1,1,1,1,1},
};
int[][]visited = new int[10][10];
int startI = 1,startJ = 1,I = 1,J = 1,step = 1;
void setup()
{
size(400,400);
//visited[I][J] = step;
}
void draw()
{
for(int i=0;i<maze.length;i++)
{
for(int j=0;j<maze[0].length;j++)
{
if(maze[i][j]==1)fill(0);
else fill(255);
rect(j*40,i*40,40,40);
}
}
fill(255,0,0);
rect(startJ*40,startI*40,40,40);
for(int i=0;i<maze.length;i++)
{
for(int j=0;j<maze[0].length;j++)
{
if(visited[i][j]>0)
{
fill(0,0,255);
text(""+visited[i][j],j*40+20,i*40+20);
}
}
}
}
boolean DFS(int i,int j, int s)
{
if(i==8&&j==8)return true;
if(maze[i][j]==1)return false;
if(visited[i][j]>0)return false;
visited[i][j]=s;
if(DFS(i+1,j,s+1))return true;
if(DFS(i-1,j,s+1))return true;
if(DFS(i,j+1,s+1))return true;
if(DFS(i,j-1,s+1))return true;
visited[i][j]=0;
return false;
}
void mousePressed()
{
visited[1][1]=0;
DFS(1,1,1);
}
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