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Snake Game help movement

[4 Replies]
- 28-Sep-2013 08:43 AM
- Forum: Programming Questions
I'm trying to make a snake game for class and right now I'm just trying to figure out the movement and this is what I have so far. I know it's a mess and I know it is wrong because it just moves to the right constantly and only shifts up or down using arrow keys. So how would I fix that problem? Also our teacher told us to make a matrix for the snake to move in and to have the food appear in? How exactly would I do that? Oh and also he told us we need to do these things too that I am not really sure how to do so if someone could help me that would be awesome:
- test for collision with food

- add to length of snake

- test for edges, if true, end game

- boolean for end game

Thank you!! here is my attempt at the moment:

void setup() {

size(300,300);

smooth();

frameRate(30);

}

//Set variables

int dotSize = 10;

int speed = 1;

int snakeX = width/2;

int snakeY = height/2;

//Functions

void drawFood() {

noStroke();

fill(0);

rect(random(300),random(300),dotSize,dotSize);

}

void moveUp() {

snakeY = snakeY - speed;

}

void moveDown() {

snakeY = snakeY + speed;

}

void moveLeft() {

snakeX = snakeX - speed;

}

void moveRight() {

snakeX = snakeX + speed;

}

void drawSnake() {

noStroke();

fill(0);

rect(snakeX,snakeY,dotSize,dotSize);

}

//Game draw

void draw() {

background(255);

drawSnake();

snakeX = snakeX + speed;

}

void keyPressed() {

if (keyCode == 37) {

moveLeft();

}

else if (keyCode == 39) {

moveRight();

}

else if (keyCode == 38) {

moveUp();

}

else if (keyCode == 40) {

moveDown();

}

}

Need help with a loop for class

[8 Replies]
- 22-Sep-2013 01:46 PM
- Forum: Programming Questions
For my class we are supposed to recreate a loop image that our teacher gave us:

I really have no idea what I'm doing, but i was trying to just make a red background and then have the blue boxes be a loop. I was trying to set the blue box as a function and then have a row of boxes be a function and then draw all of the rows. But when I try to do this it only draws one blue box in the corner and I have no idea why. Maybe I'm going about this a completely wrong way but I'm really bad at this so someone please help me!

void setup() {

size(400,400);

background(255,0,0);

rectMode(CENTER);

}

//Set Variables

int x = 4;

int y = 4;

int squareWidth = 8;

int endSquares = 400;

//Blue Square Loop

void drawBlueSquare(int x, int y) {

background(255,0,0);

stroke(0);

fill(0,0,255);

rect(x,y,8,8);

}

void drawRowofSquares(int y) {

while (x < width) {

drawBlueSquare(x,y);

x = x + 8;

}

}

void draw() {

while (y < height) {

drawRowofSquares(y);

y = y + 8;

}

}

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