Created
June 2, 2018 19:31
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Save MattRix/f3769fae46139d50b42f295ce3b4ec5e to your computer and use it in GitHub Desktop.
Same as the other JonEffect but with multiple characters easing in at a time
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using UnityEngine; | |
using System.Collections; | |
using TMPro; | |
public class FancyJonEffect : MonoBehaviour | |
{ | |
TextMeshProUGUI text; | |
[Range(0f,1f)] | |
public float buildInPercent = 0; | |
public int numCharsAtATime = 5; | |
void Awake() | |
{ | |
text = GetComponent<TextMeshProUGUI>(); | |
} | |
public void Update() | |
{ | |
buildInPercent = Mathf.Clamp01(buildInPercent); | |
numCharsAtATime = Mathf.Max(1,numCharsAtATime); | |
var textInfo = text.textInfo; | |
text.ForceMeshUpdate(); | |
for(int c = 0; c<textInfo.characterInfo.Length; c++) | |
{ | |
var charInfo = textInfo.characterInfo[c]; | |
if(!charInfo.isVisible) continue; | |
int matIndex = charInfo.materialReferenceIndex; | |
int vertIndex = charInfo.vertexIndex; | |
var verts = textInfo.meshInfo[matIndex].mesh.vertices; | |
Vector3 midPoint = (verts[vertIndex + 0] + verts[vertIndex+2])/2f; | |
Vector3 size = verts[vertIndex + 2] - midPoint; | |
float percentPerChar = 1f/(float)textInfo.characterInfo.Length; | |
float charPercent = c * percentPerChar; | |
float squashY = Ease(Mathf.Clamp01((buildInPercent-charPercent)/(percentPerChar*(float)numCharsAtATime))); | |
size.y *= squashY; | |
verts[vertIndex + 0] = midPoint + new Vector3(-size.x,-size.y,size.z); | |
verts[vertIndex + 1] = midPoint + new Vector3(-size.x,+size.y,size.z); | |
verts[vertIndex + 2] = midPoint + new Vector3(+size.x,+size.y,size.z); | |
verts[vertIndex + 3] = midPoint + new Vector3(+size.x,-size.y,size.z); | |
textInfo.meshInfo[matIndex].mesh.vertices = verts; | |
} | |
//NOTE: ideally you don't want to update the geometry every frame, so you could disable this when the build-in is complete. | |
for(int m = 0; m<textInfo.meshInfo.Length; m++) | |
{ | |
text.UpdateGeometry(textInfo.meshInfo[m].mesh,m); | |
} | |
} | |
float Ease(float t) | |
{ | |
return 1f - (1f-t) * (1f-t) * (2.70158f * (1f-t) - 1.70158f); | |
} | |
} | |
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