zeroed-some/cob / 0d3f103

Browse files

fix one way collision

Authored by espadonne
SHA
0d3f103070aebb294d9c21a436574149cb2f7b98
Parents
c0b541e
Tree
55de2ee

1 changed file

StatusFile+-
M js/entities.js 30 0
js/entities.jsmodified
@@ -71,27 +71,56 @@ class Spider {
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             }
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         }
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+        // Check ground collision
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         if (this.pos.y >= height - this.radius) {
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             this.pos.y = height - this.radius;
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             this.land();
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         }
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+        // Check wall collisions
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         if (this.pos.x <= this.radius || this.pos.x >= width - this.radius) {
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             this.pos.x = constrain(this.pos.x, this.radius, width - this.radius);
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             this.vel.x *= -0.5;
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         }
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+        // Check ceiling
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         if (this.pos.y <= this.radius) {
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             this.pos.y = this.radius;
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             this.vel.y *= -0.5;
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         }
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+
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+        // Check home branch collision (one-way platform)
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+        if (window.homeBranch && this.vel.y > 0) { // Only when falling
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+            let branch = window.homeBranch;
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+            // Collision should be right at the visual surface
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+            let branchTop = branch.y - 5; // Much closer to actual visual surface
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+
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+            // Check if spider is within branch X range
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+            let inXRange = false;
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+            if (branch.side === 'left') {
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+                inXRange = this.pos.x >= 0 && this.pos.x <= branch.endX + 20;
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+            } else {
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+                inXRange = this.pos.x >= branch.endX - 20 && this.pos.x <= width;
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+            }
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+
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+            // One-way collision: only collide when falling from above
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+            if (inXRange &&
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+                this.pos.y - this.radius <= branchTop &&
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+                this.pos.y + this.radius >= branchTop &&
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+                this.pos.y - this.radius < branchTop) {
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+                this.pos.y = branchTop - this.radius;
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+                this.land();
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+            }
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+        }
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+        // Check obstacle collisions
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         for (let obstacle of obstacles) {
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             if (this.checkObstacleCollision(obstacle)) {
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                 this.landOnObstacle(obstacle);
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             }
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         }
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+        // Check web strand collisions
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         for (let strand of webStrands) {
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             if (strand === currentStrand) continue;
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@@ -100,6 +129,7 @@ class Spider {
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             }
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         }
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+        // Check food box collisions
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         for (let i = foodBoxes.length - 1; i >= 0; i--) {
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             let box = foodBoxes[i];
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             if (dist(this.pos.x, this.pos.y, box.pos.x, box.pos.y) < this.radius + box.radius) {