Animated Sprite
/**
* Animated Sprite (Shifty + Teddy)
* by James Paterson.
* Translated to C++ Mode.
*
* Press the mouse button to change animations.
*/
struct Animation {
ArrayList<PImage> images;
int imageCount;
int frame = 0;
Animation(String prefix, int count) {
imageCount = count;
images = ArrayList<PImage>();
for (int i = 0; i < count; i++) {
String filename = prefix + nf(i, 4) + ".gif";
images.add(loadImage(filename));
}
}
void display(float x, float y) {
frame = (frame + 1) % imageCount;
PImage* img = images.get(frame);
if (img) image(img, x, y);
}
int getWidth() {
PImage* img = images.get(0);
if (img) return img->width;
return 0;
}
};
Animation* animation1 = nullptr;
Animation* animation2 = nullptr;
float xpos;
float ypos;
float drag = 30.0;
void setup() {
size(640, 360);
background(255, 204, 0);
frameRate(24);
animation1 = new Animation("PT_Shifty_", 38);
animation2 = new Animation("PT_Teddy_", 60);
ypos = height * 0.25;
}
void draw() {
float dx = mouseX - xpos;
xpos = xpos + dx / drag;
if (_mousePressed) {
background(153, 153, 0);
animation1->display(xpos - animation1->getWidth() / 2, ypos);
} else {
background(255, 204, 0);
animation2->display(xpos - animation2->getWidth() / 2, ypos);
}
}