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Add volume state tracking and update locomotion logic in first-person navigation controller

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This commit is contained in:
Victor Giers
2026-04-06 08:25:36 +02:00
parent e17a4c3373
commit 66e1b78ca1
1 changed files with 36 additions and 2 deletions
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38
src/runtime-three/first-person-navigation-controller.js
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@@ -30,6 +30,9 @@ export class FirstPersonNavigationController {
pitchRadians = 0;
verticalVelocity = 0;
grounded = false;
locomotionState = "flying";
inWaterVolume = false;
inFogVolume = false;
pointerLocked = false;
initializedFromSpawn = false;
activate(ctx) {
@@ -43,6 +46,9 @@ export class FirstPersonNavigationController {
this.pitchRadians = 0;
this.verticalVelocity = 0;
this.grounded = false;
this.locomotionState = "flying";
this.inWaterVolume = false;
this.inFogVolume = false;
this.initializedFromSpawn = true;
}
window.addEventListener("keydown", this.handleKeyDown);
@@ -78,6 +84,7 @@ export class FirstPersonNavigationController {
return;
}
const playerShape = this.context.getRuntimeScene().playerCollider;
const currentVolumeState = this.context.resolvePlayerVolumeState(this.feetPosition);
const inputX = (this.pressedKeys.has("KeyD") ? 1 : 0) - (this.pressedKeys.has("KeyA") ? 1 : 0);
const inputZ = (this.pressedKeys.has("KeyW") ? 1 : 0) - (this.pressedKeys.has("KeyS") ? 1 : 0);
const inputLength = Math.hypot(inputX, inputZ);
@@ -95,12 +102,15 @@ export class FirstPersonNavigationController {
if (playerShape.mode === "none") {
this.verticalVelocity = 0;
}
else if (currentVolumeState.inWater) {
this.verticalVelocity = 0;
}
else {
this.verticalVelocity -= GRAVITY * dt;
}
const resolvedMotion = this.context.resolveFirstPersonMotion(this.feetPosition, {
x: horizontalX,
y: playerShape.mode === "none" ? 0 : this.verticalVelocity * dt,
y: playerShape.mode === "none" || currentVolumeState.inWater ? 0 : this.verticalVelocity * dt,
z: horizontalZ
}, playerShape);
if (resolvedMotion === null) {
@@ -109,10 +119,28 @@ export class FirstPersonNavigationController {
return;
}
this.feetPosition = resolvedMotion.feetPosition;
this.grounded = resolvedMotion.grounded;
const nextVolumeState = this.context.resolvePlayerVolumeState(this.feetPosition);
this.inWaterVolume = nextVolumeState.inWater;
this.inFogVolume = nextVolumeState.inFog;
this.grounded = nextVolumeState.inWater ? false : resolvedMotion.grounded;
if (playerShape.mode === "none") {
this.locomotionState = "flying";
}
else if (this.inWaterVolume) {
this.locomotionState = "swimming";
}
else if (this.grounded) {
this.locomotionState = "grounded";
}
else {
this.locomotionState = "flying";
}
if (this.grounded && this.verticalVelocity < 0) {
this.verticalVelocity = 0;
}
else if (this.inWaterVolume) {
this.verticalVelocity = 0;
}
this.updateCameraTransform();
this.publishTelemetry();
}
@@ -124,6 +152,9 @@ export class FirstPersonNavigationController {
this.pitchRadians = 0;
this.verticalVelocity = 0;
this.grounded = false;
this.locomotionState = "flying";
this.inWaterVolume = false;
this.inFogVolume = false;
this.updateCameraTransform();
this.publishTelemetry();
}
@@ -151,6 +182,9 @@ export class FirstPersonNavigationController {
},
eyePosition: toEyePosition(this.feetPosition, getFirstPersonPlayerEyeHeight(this.context.getRuntimeScene().playerCollider)),
grounded: this.grounded,
locomotionState: this.locomotionState,
inWaterVolume: this.inWaterVolume,
inFogVolume: this.inFogVolume,
pointerLocked: this.pointerLocked,
spawn: this.context.getRuntimeScene().spawn
});