Spielwiese/grass-rendering-prototype
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Serialize LOD distances

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Timo Eberl 2024-09-29 22:29:56 +02:00
parent 93fc3e5da1
commit ad66f824ee
Signed by: Timo
SSH Key Fingerprint: SHA256:swVjhbVzKCLQZNtwPqMEmtOUG3FTydzVrpIKpUZYTQw
1 changed files with 18 additions and 4 deletions
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22
Assets/Scripts/GrassField.cs
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@ -16,10 +16,12 @@ public class GrassField : MonoBehaviour {
[Range(0f, 1f)] public float densityLOD0 = 1f;
public bool enableShadowsLOD0 = true;
[Header("LOD 1")]
public float distanceLOD1 = 7.5f;
public Material grassMaterialLOD1;
[Range(0f, 1f)] public float densityLOD1 = 0.5f;
public bool enableShadowsLOD1 = true;
[Header("LOD 2")]
public float distanceLOD2 = 7.5f + Mathf.Sqrt(2 * ((100f / 10f) * (100f / 10f))) + 5f;
public Material grassMaterialLOD2;
[Range(0f, 1f)] public float densityLOD2 = 0.2f;
public bool enableShadowsLOD2 = false;
@ -43,6 +45,11 @@ public class GrassField : MonoBehaviour {
}
private void OnEnable() {
var minDistLOD2 = distanceLOD1 + Mathf.Sqrt( 2 * Mathf.Pow( (float)size / numChunks, 2f ) );
if (distanceLOD2 < minDistLOD2) {
Debug.LogWarning("It is recommended that minDistLOD2 is greater than " + minDistLOD2 + ".");
}
if (_chunks.Length != numChunks * numChunks) {
Debug.LogError(this.name + ": Existing chunks does not match numChunks.");
gameObject.SetActive(false);
@ -76,10 +83,10 @@ public class GrassField : MonoBehaviour {
var localCamPos = camPos - chunkPos; // cam position relative to chunk
var sqrCamDist = bounds.SqrDistance(localCamPos);
if (sqrCamDist > 15f * 15f) {
if (sqrCamDist > distanceLOD2 * distanceLOD2) {
_chunks[x + y * numChunks].LOD = 2;
}
else if (sqrCamDist > 7.5f * 7.5f) {
else if (sqrCamDist > distanceLOD1 * distanceLOD1) {
_chunks[x + y * numChunks].LOD = 1;
}
else {
@ -199,8 +206,15 @@ public class GrassField : MonoBehaviour {
// draw a circle instead of a sphere
Gizmos.matrix = Matrix4x4.TRS(Vector3.zero, Quaternion.identity, new Vector3(1f, 0.001f, 1f));
}
Gizmos.color = new Color(1.0f, 0.0f, 1f, 2f);
Gizmos.DrawWireSphere(center, 7.5f);
Gizmos.color = new Color(1.0f, 0.0f, 1.0f, 1f);
Gizmos.DrawWireSphere(center, distanceLOD1);
Gizmos.DrawWireSphere(center, distanceLOD2);
Gizmos.color = new Color(1.0f, 1.0f, 0.0f, 1f);
var minDistLOD2 = distanceLOD1 + Mathf.Sqrt( 2 * Mathf.Pow( (float)size / numChunks, 2f ) );
Gizmos.DrawWireSphere(center, minDistLOD2);
Gizmos.matrix = oldMatrix;
}
}