diff options
author | elioat <elioat@tilde.institute> | 2024-12-24 15:25:20 -0500 |
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committer | elioat <elioat@tilde.institute> | 2024-12-24 15:25:20 -0500 |
commit | efe563b573412b7585fbd53f776f1e2e199241b0 (patch) | |
tree | b7527b048f0a00847f171c7b87f7fb286b1d24c7 /html/rogue/js | |
parent | 6b94d4650ad84861780514a6adfdcf0e712c43fc (diff) | |
download | tour-efe563b573412b7585fbd53f776f1e2e199241b0.tar.gz |
*
Diffstat (limited to 'html/rogue/js')
-rw-r--r-- | html/rogue/js/world.js | 105 |
1 files changed, 103 insertions, 2 deletions
diff --git a/html/rogue/js/world.js b/html/rogue/js/world.js index e6d8b6e..c479a57 100644 --- a/html/rogue/js/world.js +++ b/html/rogue/js/world.js @@ -306,7 +306,13 @@ const createWorld = () => ({ grassStates: {} }); -// Rename current tree render function +// Add seededRandom function +const seededRandom = (x, y) => { + const dot = x * 12.9898 + y * 78.233; + return (Math.sin(dot) * 43758.5453123) % 1; +}; + +// Update renderFirTree function const renderFirTree = (ctx, tree, groundY) => { const { x, config } = tree; const { width, height, canopyOffset, trunkColor, canopyColor } = config; @@ -324,7 +330,7 @@ const renderFirTree = (ctx, tree, groundY) => { trunkHeight ); - // Draw triangular canopy + // Draw main triangular canopy ctx.fillStyle = canopyColor; ctx.beginPath(); ctx.moveTo(x - width/2, groundY - canopyOffset); @@ -332,6 +338,101 @@ const renderFirTree = (ctx, tree, groundY) => { ctx.lineTo(x, groundY - height); ctx.closePath(); ctx.fill(); + + // Define a range of green colors for texture that are distinct from the base color + const greenColors = [ + '#1a3', // Darker forest green + '#2b4', // Medium forest green + '#3c5', // Bright forest green + '#184', // Deep sea green + '#2a6', // Sage green + '#1b5', // Deep pine + '#295', // Ocean green + '#3b6', // Fresh spring green + '#174', // Dark emerald + ]; + + // Filter out any colors too similar to the base color + const distinctColors = greenColors.filter(color => { + // Simple check - if colors are exactly the same, filter out + return color !== canopyColor; + }); + + // Add triangle pattern texture + const spacing = 12; // Smaller spacing for more triangles + const triangleSize = 8; // Slightly smaller triangles + const margin = 5; + + // Calculate bounds for the pattern + const bounds = { + minX: x - width/2 + margin, + maxX: x + width/2 - margin, + minY: groundY - height + margin, + maxY: groundY - canopyOffset - margin + }; + + // Generate triangle pattern + for (let py = bounds.minY; py < bounds.maxY; py += spacing) { + // Calculate how wide the tree is at this height + const heightRatio = (py - (groundY - height)) / (groundY - canopyOffset - (groundY - height)); + const levelWidth = width * heightRatio; + + // Calculate x bounds for this row + const rowMinX = x - levelWidth/2 + margin; + const rowMaxX = x + levelWidth/2 - margin; + + // Add slight offset to alternate rows + const rowOffset = (Math.floor(py / spacing) % 2) * (spacing / 2); + + for (let px = rowMinX; px < rowMaxX; px += spacing) { + // Use position for random variation + const seed1 = px * 13.37; + const seed2 = py * 7.89; + + // Random variations + const variation = { + x: (seededRandom(seed1, seed2) - 0.5) * 6, + y: (seededRandom(seed2, seed1) - 0.5) * 6, + rotation: seededRandom(seed1 + seed2, seed2 - seed1) * Math.PI * 0.5, + size: triangleSize * (0.7 + seededRandom(seed1, seed2) * 0.6) + }; + + // Pick a random color from our green palette + const colorIndex = Math.floor(seededRandom(seed1 * seed2, seed2 * seed1) * distinctColors.length); + ctx.fillStyle = distinctColors[colorIndex]; + + ctx.save(); + ctx.translate( + px + rowOffset + variation.x, + py + variation.y + ); + ctx.rotate(variation.rotation); + + // Draw small triangle + ctx.beginPath(); + ctx.moveTo(-variation.size/2, variation.size/2); + ctx.lineTo(variation.size/2, variation.size/2); + ctx.lineTo(0, -variation.size/2); + ctx.closePath(); + ctx.fill(); + + ctx.restore(); + } + } +}; + +// Helper function to darken/lighten colors +const shadeColor = (color, percent) => { + const num = parseInt(color.replace('#', ''), 16); + const amt = Math.round(2.55 * percent); + const R = (num >> 16) + amt; + const G = (num >> 8 & 0x00FF) + amt; + const B = (num & 0x0000FF) + amt; + return '#' + (0x1000000 + + (R < 255 ? (R < 1 ? 0 : R) : 255) * 0x10000 + + (G < 255 ? (G < 1 ? 0 : G) : 255) * 0x100 + + (B < 255 ? (B < 1 ? 0 : B) : 255) + ).toString(16).slice(1); }; // Add new maple tree render function |