kopia lustrzana https://github.com/villares/sketch-a-day
url fix & turn off frame saving
Alexandre B A Villares
rodzic
db689454f8
commit
6aa0dcb224
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@ -4,7 +4,7 @@
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Hi! I'm [Alexandre Villares](https://abav.lugaralgum.com), let's see if I can make one small program (*sketch*) a day.
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#### 007: [s180107](https://github.com/villares/sketch-a-day/tree/master/s180107) [[Processing Java](https://www.processing.org)] Colorful grid of Platonic Solids in Java Mode [GIF](s180107/s180107.gif)
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@ -0,0 +1,337 @@
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class PlatonicSolid {
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color c = color(255);
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void create() {
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fill(this.c);
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//implemented by each solid
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}
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}
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PlatonicSolid PlatonicFactory(int type, color c) {
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PlatonicSolid s = new PlatonicSolid();
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switch(type) {
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case 0:
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s = new Tetrahedron(18);
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break;
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case 1:
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s = new Hexahedron(14);
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break;
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case 2:
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s = new Octahedron(22);
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break;
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case 3:
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s = new Dodecahedron(18);
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break;
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case 4:
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s = new Icosahedron(18);
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break;
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}
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s.c = c; // sets color attribute
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return s;
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}
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class Icosahedron extends PlatonicSolid {
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// icosahedron
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float x, y, z;
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float radius;
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PVector topPoint;
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PVector[] topPent = new PVector[5];
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PVector bottomPoint;
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PVector[] bottomPent = new PVector[5];
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float angle = 0;
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float triDist;
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float triHt;
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float a, b, c;
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// constructor
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Icosahedron(float radius) {
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this.radius = radius;
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c = dist(cos(0)*radius, sin(0)*radius, cos(radians(72))*radius, sin(radians(72))*radius);
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b = radius;
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a = (float)(Math.sqrt(((c*c)-(b*b))));
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triHt = (float)(Math.sqrt((c*c)-((c/2)*(c/2))));
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for (int i=0; i<topPent.length; i++) {
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topPent[i] = new PVector(cos(angle)*radius, sin(angle)*radius, triHt/2.0f);
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angle+=radians(72);
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}
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topPoint = new PVector(0, 0, triHt/2.0f+a);
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angle = 72.0f/2.0f;
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for (int i=0; i<topPent.length; i++) {
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bottomPent[i] = new PVector(cos(angle)*radius, sin(angle)*radius, -triHt/2.0f);
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angle+=radians(72);
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}
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bottomPoint = new PVector(0, 0, -(triHt/2.0f+a));
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}
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// draws icosahedron
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void create() {
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super.create();
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for (int i=0; i<topPent.length; i++) {
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// icosahedron top
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beginShape();
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if (i<topPent.length-1) {
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vertex(x+topPent[i].x, y+topPent[i].y, z+topPent[i].z);
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vertex(x+topPoint.x, y+topPoint.y, z+topPoint.z);
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vertex(x+topPent[i+1].x, y+topPent[i+1].y, z+topPent[i+1].z);
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} else {
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vertex(x+topPent[i].x, y+topPent[i].y, z+topPent[i].z);
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vertex(x+topPoint.x, y+topPoint.y, z+topPoint.z);
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vertex(x+topPent[0].x, y+topPent[0].y, z+topPent[0].z);
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}
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endShape(CLOSE);
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// icosahedron bottom
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beginShape();
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if (i<bottomPent.length-1) {
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vertex(x+bottomPent[i].x, y+bottomPent[i].y, z+bottomPent[i].z);
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vertex(x+bottomPoint.x, y+bottomPoint.y, z+bottomPoint.z);
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vertex(x+bottomPent[i+1].x, y+bottomPent[i+1].y, z+bottomPent[i+1].z);
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} else {
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vertex(x+bottomPent[i].x, y+bottomPent[i].y, z+bottomPent[i].z);
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vertex(x+bottomPoint.x, y+bottomPoint.y, z+bottomPoint.z);
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vertex(x+bottomPent[0].x, y+bottomPent[0].y, z+bottomPent[0].z);
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}
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endShape(CLOSE);
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}
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// icosahedron body
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for (int i=0; i<topPent.length; i++) {
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if (i<topPent.length-2) {
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beginShape();
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vertex(x+topPent[i].x, y+topPent[i].y, z+topPent[i].z);
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vertex(x+bottomPent[i+1].x, y+bottomPent[i+1].y, z+bottomPent[i+1].z);
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vertex(x+bottomPent[i+2].x, y+bottomPent[i+2].y, z+bottomPent[i+2].z);
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endShape(CLOSE);
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beginShape();
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vertex(x+bottomPent[i+2].x, y+bottomPent[i+2].y, z+bottomPent[i+2].z);
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vertex(x+topPent[i].x, y+topPent[i].y, z+topPent[i].z);
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vertex(x+topPent[i+1].x, y+topPent[i+1].y, z+topPent[i+1].z);
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endShape(CLOSE);
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} else if (i==topPent.length-2) {
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beginShape();
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vertex(x+topPent[i].x, y+topPent[i].y, z+topPent[i].z);
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vertex(x+bottomPent[i+1].x, y+bottomPent[i+1].y, z+bottomPent[i+1].z);
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vertex(x+bottomPent[0].x, y+bottomPent[0].y, z+bottomPent[0].z);
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endShape(CLOSE);
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beginShape();
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vertex(x+bottomPent[0].x, y+bottomPent[0].y, z+bottomPent[0].z);
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vertex(x+topPent[i].x, y+topPent[i].y, z+topPent[i].z);
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vertex(x+topPent[i+1].x, y+topPent[i+1].y, z+topPent[i+1].z);
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endShape(CLOSE);
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} else if (i==topPent.length-1) {
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beginShape();
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vertex(x+topPent[i].x, y+topPent[i].y, z+topPent[i].z);
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vertex(x+bottomPent[0].x, y+bottomPent[0].y, z+bottomPent[0].z);
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vertex(x+bottomPent[1].x, y+bottomPent[1].y, z+bottomPent[1].z);
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endShape(CLOSE);
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beginShape();
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vertex(x+bottomPent[1].x, y+bottomPent[1].y, z+bottomPent[1].z);
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vertex(x+topPent[i].x, y+topPent[i].y, z+topPent[i].z);
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vertex(x+topPent[0].x, y+topPent[0].y, z+topPent[0].z);
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endShape(CLOSE);
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}
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}
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}
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}
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class Tetrahedron extends PlatonicSolid {
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// Tetrahedron
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float x, y, z;
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float radius;
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float a;
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PVector[] vert = new PVector[4];
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int[][] faces;
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// constructor
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Tetrahedron(float radius) {
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this.radius = radius;
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a = radius*0.6666;
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vert[0] = new PVector( a, a, a ); // vertex 1
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vert[1] = new PVector(-a, -a, a ); // vertex 2
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vert[2] = new PVector(-a, a, -a ); // vertex 3
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vert[3] = new PVector( a, -a, -a ); // vertex 4
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}
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// draws tetrahedron
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void create() {
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super.create();
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beginShape(TRIANGLE_STRIP);
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vertex(vert[0].x, vert[0].y, vert[0].z); // vertex 1
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vertex(vert[1].x, vert[1].y, vert[1].z); // vertex 2
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vertex(vert[2].x, vert[2].y, vert[2].z); // vertex 3
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vertex(vert[3].x, vert[3].y, vert[3].z); // vertex 4
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vertex(vert[0].x, vert[0].y, vert[0].z); // vertex 1
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vertex(vert[1].x, vert[1].y, vert[1].z); // vertex 2
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vertex(vert[3].x, vert[3].y, vert[3].z); // vertex 4
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vertex(vert[2].x, vert[2].y, vert[2].z); // vertex 3
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vertex(vert[1].x, vert[1].y, vert[1].z); // vertex 2
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endShape(CLOSE);
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}
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}
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class Hexahedron extends PlatonicSolid {
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// Tetrahedron
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float x, y, z;
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float radius;
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float a;
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PVector[] vert = new PVector[8];
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int[][] faces;
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// constructor
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Hexahedron(float radius) {
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this.radius = radius;
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a = radius/1.1414;
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faces = new int[6][4];
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vert[0] = new PVector( a, a, a );
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vert[1] = new PVector( a, a, -a );
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vert[2] = new PVector( a, -a, -a );
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vert[3] = new PVector( a, -a, a );
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vert[4] = new PVector( -a, -a, a );
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vert[5] = new PVector( -a, a, a );
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vert[6] = new PVector( -a, a, -a );
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vert[7] = new PVector( -a, -a, -a );
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faces[0] = new int[] {0, 1, 2, 3};
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faces[1] = new int[] {4, 5, 6, 7};
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faces[2] = new int[] {0, 3, 4, 5};
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faces[3] = new int[] {1, 2, 7, 6};
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faces[4] = new int[] {2, 3, 4, 7};
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faces[5] = new int[] {0, 5, 6, 1};
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}
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// draws hexahedron
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void create() {
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super.create();
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for (int i=0; i<6; i++)
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{
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beginShape();
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for (int j=0; j<4; j++)
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{
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vertex(vert[faces[i][j]].x, vert[faces[i][j]].y, vert[faces[i][j]].z);
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}
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endShape();
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}
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}
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}
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class Octahedron extends PlatonicSolid {
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// Octahedron
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float x, y, z;
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float radius;
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float a;
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PVector[] vert = new PVector[6];
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int[][] faces;
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// constructor
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Octahedron(float radius) {
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this.radius = radius;
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a = radius;
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vert[0] = new PVector( a, 0, 0 );
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vert[1] = new PVector( 0, a, 0 );
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vert[2] = new PVector( 0, 0, a );
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vert[3] = new PVector( -a, 0, 0 );
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vert[4] = new PVector( 0, -a, 0 );
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vert[5] = new PVector( 0, 0, -a );
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}
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// draws octahedron
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void create() {
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super.create();
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beginShape(TRIANGLE_FAN);
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vertex(vert[4].x, vert[4].y, vert[4].z);
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vertex(vert[0].x, vert[0].y, vert[0].z);
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vertex(vert[2].x, vert[2].y, vert[2].z);
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vertex(vert[3].x, vert[3].y, vert[3].z);
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vertex(vert[5].x, vert[5].y, vert[5].z);
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vertex(vert[0].x, vert[0].y, vert[0].z);
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endShape();
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beginShape(TRIANGLE_FAN);
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vertex(vert[1].x, vert[1].y, vert[1].z);
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vertex(vert[0].x, vert[0].y, vert[0].z);
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vertex(vert[2].x, vert[2].y, vert[2].z);
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vertex(vert[3].x, vert[3].y, vert[3].z);
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vertex(vert[5].x, vert[5].y, vert[5].z);
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vertex(vert[0].x, vert[0].y, vert[0].z);
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endShape();
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}
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}
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class Dodecahedron extends PlatonicSolid {
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// Dodecahedron
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float x, y, z;
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float radius;
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float a, b, c;
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PVector[] vert;
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int[][] faces;
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// constructor
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Dodecahedron(float radius) {
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this.radius = radius;
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a = radius/1.618033989;
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b = radius;
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c = 0.618033989*a;
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faces = new int[12][5];
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vert = new PVector[20];
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vert[ 0] = new PVector(a, a, a);
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vert[ 1] = new PVector(a, a, -a);
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vert[ 2] = new PVector(a, -a, a);
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vert[ 3] = new PVector(a, -a, -a);
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vert[ 4] = new PVector(-a, a, a);
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vert[ 5] = new PVector(-a, a, -a);
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vert[ 6] = new PVector(-a, -a, a);
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vert[ 7] = new PVector(-a, -a, -a);
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vert[ 8] = new PVector(0, c, b);
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vert[ 9] = new PVector(0, c, -b);
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vert[10] = new PVector(0, -c, b);
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vert[11] = new PVector(0, -c, -b);
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vert[12] = new PVector(c, b, 0);
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vert[13] = new PVector(c, -b, 0);
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vert[14] = new PVector(-c, b, 0);
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vert[15] = new PVector(-c, -b, 0);
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vert[16] = new PVector(b, 0, c);
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vert[17] = new PVector(b, 0, -c);
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vert[18] = new PVector(-b, 0, c);
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vert[19] = new PVector(-b, 0, -c);
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faces[ 0] = new int[] {0, 16, 2, 10, 8};
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faces[ 1] = new int[] {0, 8, 4, 14, 12};
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faces[ 2] = new int[] {16, 17, 1, 12, 0};
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faces[ 3] = new int[] {1, 9, 11, 3, 17};
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faces[ 4] = new int[] {1, 12, 14, 5, 9};
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faces[ 5] = new int[] {2, 13, 15, 6, 10};
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faces[ 6] = new int[] {13, 3, 17, 16, 2};
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faces[ 7] = new int[] {3, 11, 7, 15, 13};
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faces[ 8] = new int[] {4, 8, 10, 6, 18};
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faces[ 9] = new int[] {14, 5, 19, 18, 4};
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faces[10] = new int[] {5, 19, 7, 11, 9};
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faces[11] = new int[] {15, 7, 19, 18, 6};
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}
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// draws dodecahedron
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void create() {
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super.create();
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for (int i=0; i<12; i++)
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{
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beginShape();
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for (int j=0; j<5; j++)
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{
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vertex(vert[faces[i][j]].x, vert[faces[i][j]].y, vert[faces[i][j]].z);
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}
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endShape();
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}
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}
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}
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@ -0,0 +1,63 @@
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/*
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s180107 Platonic Solids
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(c)2018 Alexandre B A Villares
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https://abav.lugaralgum.com/sketch-a-day
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*/
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PlatonicSolid[] solids;
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float r_x = 0;
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float r_y = 0;
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void setup() {
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size(500, 500, P3D);
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//strokeCap(ROUND);
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smooth();
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noStroke();
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fill(127);
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colorMode(HSB);
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//strokeWeight(3);
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//stroke(200, 0, 0);
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solids = new PlatonicSolid[100];
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for (int i = 0; i<100; i++) {
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solids[i] = PlatonicFactory((int)random(5), color(random(256),255,255));
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}
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}
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void draw() {
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r_x += 0.02;
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r_y += 0.01;
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background(0);
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lights();
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for (int i = 0; i<100; i++) {
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int x = x_from_i(i, 10);
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int y = y_from_i(i, 10, 10);
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pushMatrix();
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{
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translate(25 + x *50, 25 + y *50);
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pushMatrix();
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{
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pushStyle();
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if (dist(mouseX, mouseY, 25 + x *50, 25 + y *50)<25) {
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scale(2);
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translate(0, 0, 30);
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stroke(255);
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}
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rotateX(r_y);
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rotateY(r_x);
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solids[i].create();
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popStyle();
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}
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popMatrix();
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}
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popMatrix();
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}
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// if (frameCount < 200){ saveFrame("###.tga");}
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}
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int x_from_i(int idx, int max_x) {
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return idx % max_x;
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}
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int y_from_i(int idx, int max_x, int max_y) {
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return (idx / max_x) % max_y;
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}
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