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feat(npc): Adjust LOS cone origin to NPC eye level for improved visibility representation

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This commit is contained in:
Z. Cliffe Schreuders
2025-11-12 10:54:59 +00:00
parent 72e2e6293f
commit 6b04419998
1 changed files with 25 additions and 20 deletions
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45
js/systems/npc-los.js
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@@ -237,6 +237,11 @@ export function drawLOSCone(scene, npc, losConfig = {}, color = 0x00ff00, alpha
const npcFacing = getNPCFacingDirection(npc);
console.log(` NPC facing: ${npcFacing.toFixed(0)}°`);
// Offset cone origin to eye level (30% higher on the NPC sprite)
const coneOriginY = npcPos.y - (npc._sprite?.height ?? 32) * 0.3;
const coneOrigin = { x: npcPos.x, y: coneOriginY };
console.log(` Cone origin at eye level: (${coneOrigin.x.toFixed(0)}, ${coneOrigin.y.toFixed(0)})`);
const npcFacingRad = Phaser.Math.DegToRad(npcFacing);
const halfAngleRad = Phaser.Math.DegToRad(angle / 2);
@@ -251,8 +256,8 @@ export function drawLOSCone(scene, npc, losConfig = {}, color = 0x00ff00, alpha
// Draw outer range circle (light, semi-transparent)
graphics.lineStyle(1, color, 0.2);
graphics.strokeCircle(npcPos.x, npcPos.y, scaledRange);
console.log(` ⭕ Range circle drawn at (${npcPos.x}, ${npcPos.y}) radius: ${scaledRange}`);
graphics.strokeCircle(coneOrigin.x, coneOrigin.y, scaledRange);
console.log(` ⭕ Range circle drawn at (${coneOrigin.x}, ${coneOrigin.y}) radius: ${scaledRange}`);
// Draw the cone fill
graphics.fillStyle(color, coneAlpha);
@@ -260,13 +265,13 @@ export function drawLOSCone(scene, npc, losConfig = {}, color = 0x00ff00, alpha
// Calculate cone points
const conePoints = [];
conePoints.push(new Phaser.Geom.Point(npcPos.x, npcPos.y)); // Center (NPC position)
conePoints.push(new Phaser.Geom.Point(coneOrigin.x, coneOrigin.y)); // Center (NPC position at eye level)
// Left edge of cone
const leftAngle = npcFacingRad - halfAngleRad;
const leftPoint = new Phaser.Geom.Point(
npcPos.x + scaledRange * Math.cos(leftAngle),
npcPos.y + scaledRange * Math.sin(leftAngle)
coneOrigin.x + scaledRange * Math.cos(leftAngle),
coneOrigin.y + scaledRange * Math.sin(leftAngle)
);
conePoints.push(leftPoint);
@@ -276,45 +281,45 @@ export function drawLOSCone(scene, npc, losConfig = {}, color = 0x00ff00, alpha
const t = i / segments;
const currentAngle = npcFacingRad - halfAngleRad + (angle * Math.PI / 180) * t;
conePoints.push(new Phaser.Geom.Point(
npcPos.x + scaledRange * Math.cos(currentAngle),
npcPos.y + scaledRange * Math.sin(currentAngle)
coneOrigin.x + scaledRange * Math.cos(currentAngle),
coneOrigin.y + scaledRange * Math.sin(currentAngle)
));
}
// Right edge of cone
const rightAngle = npcFacingRad + halfAngleRad;
conePoints.push(new Phaser.Geom.Point(
npcPos.x + scaledRange * Math.cos(rightAngle),
npcPos.y + scaledRange * Math.sin(rightAngle)
coneOrigin.x + scaledRange * Math.cos(rightAngle),
coneOrigin.y + scaledRange * Math.sin(rightAngle)
));
// Close back to center
conePoints.push(new Phaser.Geom.Point(npcPos.x, npcPos.y));
conePoints.push(new Phaser.Geom.Point(coneOrigin.x, coneOrigin.y));
// Draw the cone polygon
graphics.fillPoints(conePoints, true);
graphics.strokePoints(conePoints, true);
// Draw NPC position indicator (bright circle)
// Draw NPC position indicator (bright circle at eye level)
graphics.fillStyle(color, 0.6);
graphics.fillCircle(npcPos.x, npcPos.y, 10);
graphics.fillCircle(coneOrigin.x, coneOrigin.y, 10);
// Draw a line showing the facing direction (to front of cone)
graphics.lineStyle(3, color, 0.1);
const dirLength = scaledRange * 0.4;
graphics.lineBetween(
npcPos.x,
npcPos.y,
npcPos.x + dirLength * Math.cos(npcFacingRad),
npcPos.y + dirLength * Math.sin(npcFacingRad)
coneOrigin.x,
coneOrigin.y,
coneOrigin.x + dirLength * Math.cos(npcFacingRad),
coneOrigin.y + dirLength * Math.sin(npcFacingRad)
);
// Draw angle wedge markers
graphics.lineStyle(1, color, 0.5);
graphics.lineBetween(npcPos.x, npcPos.y, leftPoint.x, leftPoint.y);
graphics.lineBetween(npcPos.x, npcPos.y,
npcPos.x + scaledRange * Math.cos(rightAngle),
npcPos.y + scaledRange * Math.sin(rightAngle)
graphics.lineBetween(coneOrigin.x, coneOrigin.y, leftPoint.x, leftPoint.y);
graphics.lineBetween(coneOrigin.x, coneOrigin.y,
coneOrigin.x + scaledRange * Math.cos(rightAngle),
coneOrigin.y + scaledRange * Math.sin(rightAngle)
);
// Set depth on top of other objects (was -999, now 9999)