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author | elioat <elioat@tilde.institute> | 2024-12-24 15:30:19 -0500 |
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committer | elioat <elioat@tilde.institute> | 2024-12-24 15:30:19 -0500 |
commit | 9c86e205f8e13c2728860d202f5efc96d40d0ab1 (patch) | |
tree | 2c15eab4662e64db4c67a41cd17906de3d5d95a7 /html/rogue/js/world.js | |
parent | a50168c95a54b6602365d91f8ae6d1e3ec6ff7da (diff) | |
download | tour-9c86e205f8e13c2728860d202f5efc96d40d0ab1.tar.gz |
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Diffstat (limited to 'html/rogue/js/world.js')
-rw-r--r-- | html/rogue/js/world.js | 96 |
1 files changed, 94 insertions, 2 deletions
diff --git a/html/rogue/js/world.js b/html/rogue/js/world.js index 05cb8ca..63acb5a 100644 --- a/html/rogue/js/world.js +++ b/html/rogue/js/world.js @@ -312,6 +312,78 @@ const seededRandom = (x, y) => { return (Math.sin(dot) * 43758.5453123) % 1; }; +// Add hatching helper function +const addHatchingPattern = (ctx, x, y, width, height, color) => { + const spacing = 4; // Space between hatch lines + const length = 10; // Length of each hatch line + const margin = 4; // Increased margin from edges + const baseAngle = Math.PI * 1.5; // Vertical angle (pointing down) + const angleVariation = Math.PI / 12; // Reduced angle variation + + // Define darker brown shades + const brownShades = [ + '#421', // Dark brown + '#532', // Medium dark brown + '#431', // Reddish dark brown + '#321', // Very dark brown + '#542', // Warm dark brown + ]; + + // Create clipping path for trunk + ctx.save(); + ctx.beginPath(); + ctx.rect( + x - width/2, + y - height, + width, + height + ); + ctx.clip(); + + // Calculate bounds with increased safety margin + const bounds = { + minX: x - width/2 + margin, + maxX: x + width/2 - margin, + minY: y - height + margin, + maxY: y - margin + }; + + // Draw hatching + ctx.lineWidth = 1; + for (let hatchX = bounds.minX; hatchX < bounds.maxX; hatchX += spacing) { + for (let hatchY = bounds.minY; hatchY < bounds.maxY; hatchY += spacing) { + // Use position for random variation + const seed1 = hatchX * 13.37; + const seed2 = hatchY * 7.89; + + // Random variations with reduced range + const variation = { + x: (seededRandom(seed1, seed2) - 0.5) * 1.5, // Reduced variation + y: (seededRandom(seed2, seed1) - 0.5) * 1.5, // Reduced variation + angle: baseAngle + (seededRandom(seed1 + seed2, seed2 - seed1) - 0.5) * angleVariation + }; + + // Pick a random brown shade + const colorIndex = Math.floor(seededRandom(seed1 * seed2, seed2 * seed1) * brownShades.length); + ctx.strokeStyle = brownShades[colorIndex]; + + // Draw hatch line + ctx.beginPath(); + ctx.moveTo( + hatchX + variation.x, + hatchY + variation.y + ); + ctx.lineTo( + hatchX + Math.cos(variation.angle) * length + variation.x, + hatchY + Math.sin(variation.angle) * length + variation.y + ); + ctx.stroke(); + } + } + + ctx.restore(); +}; + // Update renderFirTree function const renderFirTree = (ctx, tree, groundY) => { const { x, config } = tree; @@ -321,7 +393,7 @@ const renderFirTree = (ctx, tree, groundY) => { const trunkWidth = width/3; const trunkHeight = height - (height - canopyOffset)/2; - // Draw trunk + // Draw trunk base ctx.fillStyle = trunkColor; ctx.fillRect( x - trunkWidth/2, @@ -330,6 +402,16 @@ const renderFirTree = (ctx, tree, groundY) => { trunkHeight ); + // Add trunk hatching + addHatchingPattern( + ctx, + x, + groundY, + trunkWidth, + trunkHeight, + trunkColor + ); + // Draw main triangular canopy ctx.fillStyle = canopyColor; ctx.beginPath(); @@ -443,7 +525,7 @@ const renderMapleTree = (ctx, tree, groundY) => { leafClusters, trunkColor, canopyColor } = config; - // Draw trunk + // Draw trunk base const trunkWidth = width/4; ctx.fillStyle = trunkColor; ctx.fillRect( @@ -453,6 +535,16 @@ const renderMapleTree = (ctx, tree, groundY) => { trunkHeight ); + // Add trunk hatching + addHatchingPattern( + ctx, + x, + groundY, + trunkWidth, + trunkHeight, + trunkColor + ); + // Draw main leaf clusters as base shape ctx.fillStyle = canopyColor; |