41 lines
1.6 KiB
JavaScript
41 lines
1.6 KiB
JavaScript
elements.gravity_point = {
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color: "#FFD700", // Goudkleurig
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behavior: behaviors.STURDYPOWDER,
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category: "special",
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state: "solid",
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density: 5000,
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max_gravity_distance: 100, // Bereik van zwaartekracht
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gravity_strength: 1, // Kracht van zwaartekracht
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tick: function(pixel) {
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for (var x = -pixel.max_gravity_distance; x <= pixel.max_gravity_distance; x++) {
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for (var y = -pixel.max_gravity_distance; y <= pixel.max_gravity_distance; y++) {
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var nx = pixel.x + x;
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var ny = pixel.y + y;
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if (!isEmpty(nx, ny, true)) {
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var npixel = pixelMap[nx][ny];
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if (npixel && npixel.element !== "gravity_point") {
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var dx = nx - pixel.x;
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var dy = ny - pixel.y;
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var distance = Math.sqrt(dx * dx + dy * dy);
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if (distance < 1) distance = 1; // Voorkom delen door 0
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if (distance <= pixel.max_gravity_distance) {
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var force = (pixel.gravity_strength * 100) / (distance * distance);
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var angle = Math.atan2(dy, dx);
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var vx = -Math.cos(angle) * force;
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var vy = -Math.sin(angle) * force;
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// Voeg snelheid toe aan objecten
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npixel.vx = (npixel.vx || 0) + vx;
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npixel.vy = (npixel.vy || 0) + vy;
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}
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}
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}
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}
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}
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}
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};
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