Explode
(3D->Image->Explode)
2D画像を3Dに配置し、マウスで爆発したように見せるアニメーション。
ピクセルの輝度が3D座標中の奥行きZになっている。
/**
* Explode
* by Daniel Shiffman.
*
* Mouse horizontal location controls breaking apart of image and
* Maps pixels from a 2D image into 3D space. Pixel brightness controls
* translation along z axis.
*/
PImage img; // The source image
int cellsize = 2; // Dimensions of each cell in the grid
int columns, rows; // Number of columns and rows in our system
void setup() {
size(640, 360, P3D);
img = loadImage("eames.jpg"); // Load the image
columns = img.width / cellsize; // Calculate # of columns
rows = img.height / cellsize; // Calculate # of rows
}
void draw() {
background(0);
// Begin loop for columns
for ( int i = 0; i < columns; i++) {
// Begin loop for rows
for ( int j = 0; j < rows; j++) {
int x = i*cellsize + cellsize/2; // x position
int y = j*cellsize + cellsize/2; // y position
int loc = x + y*img.width; // Pixel array location
color c = img.pixels[loc]; // Grab the color
// Calculate a z position as a function of mouseX and pixel brightness
float z = (mouseX / float(width)) * brightness(img.pixels[loc]) - 20.0;
// Translate to the location, set fill and stroke, and draw the rect
pushMatrix();
translate(x + 200, y + 100, z);
fill(c, 204);
noStroke();
rectMode(CENTER);
rect(0, 0, cellsize, cellsize);
popMatrix();
}
}
}