= box.x && uv.x <= box.z && uv.y >= box.y && uv.y <= box.w) { vec2 miniUV = uv; miniUV-= box.xy; miniUV/= ratio * 2.0 * iGlowSize; float angle = atan(miniUV.y - 0.5, miniUV.x - 0.5); vec2 pos = vec2(cos(angle), sin(angle)); float mag = distance(miniUV, vec2(0.5, 0.5)); mag += sin(angle * 3.0 + iTime * 24.0) * cos(angle * 5.0 - iTime * 26.0) * sin(angle * 4.0 + iTime * 48.0) * 0.02; mag += sin(angle * 3.0 + 0.2 + iTime * 32.0) * cos(angle * 7.0 - iTime * 40.0) * sin(angle * 4.0 - iTime * 68.0) * 0.01; mag += sin(angle * 7.0 + 0.3 + iTime * 20.0) * cos(angle * 2.0 - iTime * 24.0) * sin(angle * 4.0 + iTime * 88.0) * 0.03; float dist = 2.0 * (0.5 - mag); dist = smoothstep(0.1, 1.14, dist) * 2.0; col = vec4(dist); float colorRatio = (1.0 - clamp(dist, 0.0, 1.0)); vec4 realColor = iGlowColor * (1.0 - colorRatio) + iGlowShiftColor * colorRatio; col*= realColor; } return col * iGlowColor.a; } vec4 plaid(vec2 uv, float yPos) { vec4 plaidCol = vec4(0.0); float brightness = 1.2 - yPos * 0.6; float alphaMultiplier = 1.0; if ((uv.x > 0.025 && uv.x < 0.1) || (uv.x > 0.9 && uv.x < 0.975)) { plaidCol+= getColor(iStripeColor1) * 0.9 * brightness; alphaMultiplier = 1.0 - iStripeColor1.a; } float darkMultiplier = 1.0; if (yPos > iTunnelOffset) { if ((uv.y > 0.025 && uv.y < 0.1) || (uv.y > 0.9 && uv.y < 0.975)) { plaidCol+= getColor(iStripeColor1) * 0.7 * alphaMultiplier; } if ((uv.y > 0.65 && uv.y < 0.725) || (uv.y > 0.775 && uv.y < 0.85)) { plaidCol+= getColor(iStripeColor2) * 0.7 * alphaMultiplier; } brightness = 1.6 - yPos * 1.2; } else { darkMultiplier = 0.75; brightness = 1.0; } if ((uv.x > 0.15 && uv.x < 0.225) || (uv.x > 0.275 && uv.x < 0.35)) { plaidCol+= getColor(iStripeColor2) * 0.5 * darkMultiplier * alphaMultiplier; } if ((uv.x > 0.525 && uv.x < 0.6) || (uv.x > 0.775 && uv.x < 0.85)) { plaidCol+= getColor(iStripeColor3) * 0.5 * darkMultiplier * alphaMultiplier; } if ((uv.x > 0.4 && uv.x < 0.475) || (uv.x > 0.65 && uv.x < 0.725)) { plaidCol+= getColor(iStripeColor4) * 0.5 * darkMultiplier * alphaMultiplier; } return plaidCol * brightness; } vec4 wall(vec2 uv, float angle) { // For now horizon isn't used. // float horizon = max(iResolution.x, iResolution.y); // Initialize the ratio, as well as the ratio adjusted UV. vec2 ratio = getRatio(); vec2 newUV = -(uv - 0.5) / ratio; // We'll calculate the distance from origin, as well as the angle relative to origin. float dist = distance(newUV, vec2(0.0, 0.0)); float cAngle = atan(newUV.y, newUV.x); // Convert the angle in degrees to radians. float rad = angle / 180.0 * PI; // Now we'll rotate the UV accordingly. newUV.x = dist * cos(cAngle + rad); newUV.y = dist * sin(cAngle + rad); float yPos = newUV.y; // Originally we defined the horizon, from which we'd calculate the Z. // float z = newUV.y * horizon; float scale = 0.0; if (newUV.y > 0.0) { scale = 1.0 / newUV.y; } if (newUV.x < -newUV.y) { return vec4(0.0); } if (newUV.x > newUV.y) { return vec4(0.0); } float invScale = 0.0; if (newUV.y < 1.0) { invScale = 1.0 / (1.0 - newUV.y); } newUV.x*= 1.3; newUV.x = mod(newUV.x * scale + 0.3, 1.0); newUV.y = mod(newUV.y + iTime + scale * 4.0, 1.0); return plaid(newUV, yPos); } vec4 plaidSquare(vec2 uv) { vec2 ratio = getRatio(); vec4 col = vec4(0.0, 0.0, 0.0, 0.0); vec4 box = 0.5 + vec4(-ratio.x, -ratio.y, ratio.x, ratio.y) * iTunnelOffset; float tunnelSpawnOffset = 1.0 - iTunnelSpawnSize; if (uv.x >= box.x && uv.x <= box.z && uv.y >= box.y && uv.y <= box.w) { vec2 miniUV = uv; miniUV-= box.xy; miniUV/= ratio * 2.0 * iTunnelOffset; vec2 boxUV = abs((miniUV.xy * 2.0) - 1.0); float maxDist = max(boxUV.x, boxUV.y); float distVal = clamp((maxDist - tunnelSpawnOffset) / iTunnelSpawnSize, 0.0, 1.0); distVal = 1.0 - mod(distVal - iTime, 1.0); if (maxDist < tunnelSpawnOffset) { distVal = 0.0; } if ((distVal > 0.0 && distVal < 0.015) || (distVal > 0.02 && distVal < 0.035)) { col = getColor(iStripeColor2); } if ((distVal > 0.04 && distVal < 0.055) || (distVal > 0.06 && distVal < 0.075)) { col = getColor(iStripeColor1); } } return col; } //copy-paste ShaderToy code here. void mainImage( out vec4 fragColor, in vec2 fragCoord ) { // Normalized pixel coordinates (from 0 to 1) vec2 uv = fragCoord/iResolution.xy; vec4 glowCol = centerGlow(uv); vec4 wallCol = (wall(uv, 0.0) + wall(uv, 90.0) + wall(uv, 180.0) + wall(uv, 270.0)) * iWallAlpha * iTunnelAlpha; vec4 endCol = plaidSquare(uv) * iEndAlpha * iTunnelAlpha; // Output to screen vec4 combineColor = clamp(glowCol + wallCol - endCol, 0.0, 1.0) + endCol; fragColor = combineColor * iAlpha; } //copy-paste ShaderToy code here. void main(){ //ZGE does not use mainImage( out vec4 fragColor, in vec2 fragCoord ) //Rededefined fragCoord as gl_FragCoord.xy-iViewport(dynamic window) mainImage(gl_FragColor,gl_FragCoord.xy-iViewport); }]]>