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@@ -203,6 +203,15 @@ export default class GerstnerWavesComponent extends RE.Component {
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this.elapsed += RE.Runtime.deltaTime;
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(this.object3d as any).material.uniforms.clock.value = this.elapsed
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}
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+
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+ getHeightAt(position: THREE.Vector3) {
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+ let height = 0
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+ let coords = new THREE.Vector2(position.x, position.z)
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+ this.wave.waves.forEach((wave) => {
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+ height += this.wave.calcWaveH(wave, coords, this.elapsed)
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+ })
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+ return height
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+ }
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}
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RE.registerComponent(GerstnerWavesComponent);
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@@ -230,7 +239,7 @@ class GerstnerWave {
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}
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calcWaveH( w, coord, time ){
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- const dir = new THREE.Vector2( w.dir ).normalize();
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+ const dir = new THREE.Vector2( w.dir[0], w.dir[1] ).normalize();
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const k = 6.283185307179586 / w.wavelen; // Phase Increment
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const c = Math.sqrt( 9.8 / k ); // Phase Speed. Higher the wave, the faster it moves, Gravity Constant
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const f = k * ( GerstnerWave.dot( dir, coord ) - c * time ); // Frequency - Specific time in Phase : PhaseInc * ( Angle - PhaseSpeed * Time )
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