106 lines
3.7 KiB
Plaintext
106 lines
3.7 KiB
Plaintext
/*
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This file is part of "Interface Fractures III - Silicon".
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Copyright (c) 2015 Luka Prinčič, All rights reserved.
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This program is free software distributed under
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GNU General Public Licence. See COPYING for more info.
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- - - - - - - - - - - - - - - - - - - - - - - - - - - -
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tiles.pde
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*/
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// TILES - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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/* TODO:
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- different zooms (random?)
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- better rotation
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- multiple instances of the same thing - with
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different texture & some parameters + parameterize
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- zoom variations
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- ?amount of speed variations accross tiles
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*/
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void drawTiles( boolean render, // should we render or not?
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int tilesBgHue, int tilesBgSat, int tilesBgBri,
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int tilesHue, int tilesSat, int tilesBri,
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//color bgfill, // backgorund color
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//!!color tilecolor, // tile color
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int huedist, // tile color distance for interpolation
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int blendMode, // blending mode of tiles
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int numx, // number of tiles on X
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int numy, // number of tiles on Y
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int texBank,
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int texNum,
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float texSpeedX,
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float texSpeedY,
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float overlap )
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{
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if (render) {
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colorMode(HSB, 127, 127, 127, 127);
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blendMode(BLEND);
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color bgfill = color(tilesBgHue, tilesBgSat, tilesBgBri);
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color tilecolor = color(tilesHue, tilesSat, tilesBri);
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fill(bgfill);
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noStroke();
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rectMode(CORNER);
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rect(0, 0, width, height);
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switchBlendMode(blendMode); // blendMode function using integers
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texBank = min(texBank, imgPool.length - 1);
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texNum = min(texNum, imgPool[texBank].length - 1);
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texSpeedX *= 0.01;
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texSpeedY *= 0.01;
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texX += sq(sq(texSpeedX));
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texY += sq(sq(texSpeedY));
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numx = max(1, numx);
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numy = max(1, numy);
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float numxfact = 1 / float(numx);
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float numyfact = 1 / float(numy);
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float aspectRatio = (height / float(numy)) / (width / float(numx));
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float offsetPerc = overlap * (300/127);
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float uniZoom = numxfact * (float(width)/1024);
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float offsetX = width * numxfact * offsetPerc * 0.01;
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float offsetY = height * numyfact * offsetPerc * 0.01;
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float texoffsetX = 1 + 0.01 * offsetPerc ;
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float texoffsetY = texoffsetX;
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float huefactor = float(huedist) / (numx * numy);
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for (int nx=0; nx < numx; nx++) {
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for (int ny=0; ny < numy; ny++) {
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int tileID = nx * numy + ny;
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float randX = rands[ (tileID % rands.length) ] * 0.01;
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float randY = rands[ ((tileID + 50) % rands.length) ] * 0.01;
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float newhue = hue(tilecolor) + huefactor * tileID;
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tint(newhue, saturation(tilecolor), brightness(tilecolor), alpha(tilecolor));
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textureWrap(REPEAT);
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textureMode(NORMAL);
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beginShape();
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texture(imgPool[texBank][texNum]);
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vertex(width * numxfact * nx - offsetX, height * numyfact * ny - offsetY, 0 + texX * randX, 0 + texY * randY);
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vertex(width * numxfact * (nx + 1) + offsetX, height * numyfact * ny - offsetY, 1 * uniZoom * texoffsetX + texX * randX, 0 + texY * randY);
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vertex(width * numxfact * (nx + 1) + offsetX, height * numyfact * (ny + 1) + offsetY, 1 * uniZoom * texoffsetX + texX * randX, aspectRatio * uniZoom * texoffsetY + texY * randY);
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vertex(width * numxfact * nx - offsetX, height * numyfact * (ny + 1) + offsetY, 0 + texX * randX, aspectRatio * uniZoom * texoffsetY + texY * randY);
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endShape();
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}
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}
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}
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}
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