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Fix inbetween mesh normal.

master
Jeremy Hu 2016-12-31 21:34:56 +09:30
parent c4287c5484
commit 167a97e66a
2 changed files with 18 additions and 7 deletions
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17
src/bmesh.c
View File

@ -821,11 +821,22 @@ void calculateBallQuad(bmeshBall *ball, quad *q) {
vec3Add(&q->pt[3], &z, &q->pt[3]);
}
static void drawWallsBetweenQuads(quad *q1, quad *q2) {
static void drawWallsBetweenQuads(vec3 *origin, quad *q1, quad *q2) {
int i;
vec3 normal;
vec3 o2v;
for (i = 0; i < 4; ++i) {
quad wall = {{q1->pt[i], q2->pt[i],
q2->pt[(i + 1) % 4], q1->pt[(i + 1) % 4]}};
vec3Normal(&wall.pt[0], &wall.pt[1], &wall.pt[2], &normal);
vec3Sub(&wall.pt[0], origin, &o2v);
if (vec3DotProduct(&o2v, &normal) < 0) {
int j;
quad oldWall = wall;
for (j = 0; j < 4; ++j) {
wall.pt[j] = oldWall.pt[3 - j];
}
}
drawQuad(&wall);
}
}
@ -845,7 +856,7 @@ static int bmeshGenerateInbetweenMeshFrom(bmesh *bm, bmeshBall *parent,
if (parent && parent->radius > 0) {
quad parentFace;
calculateBallQuad(parent, &parentFace);
drawWallsBetweenQuads(&parentFace, &currentFace);
drawWallsBetweenQuads(&ball->position, &parentFace, &currentFace);
child = bmeshGetBallFirstChild(bm, ball, &iterator);
if (!child) {
bmeshBall fakeParentParent = *parent;
@ -857,7 +868,7 @@ static int bmeshGenerateInbetweenMeshFrom(bmesh *bm, bmeshBall *parent,
vec3Lerp(&fakeParentParent.position, &fakeParent.position, 2,
&fakeBall.position);
calculateBallQuad(&fakeBall, &childFace);
drawWallsBetweenQuads(&currentFace, &childFace);
drawWallsBetweenQuads(&fakeBall.position, &currentFace, &childFace);
if (vec3Distance(&ball->position, &fakeBall.position) >=
ball->radius) {
drawQuad(&childFace);

8
src/convexhull.c
View File

@ -573,10 +573,10 @@ int convexHullMergeTriangles(convexHull *hull) {
f1->vertexNum = 4;
f2->vertexNum = 0;
//if (edgeIndex >= 12 && edgeIndex <= 12) {
drawDebugPoint((vec3 *)arrayGetItem(
hull->vertexArray, e->p1), edgeIndex);
drawDebugPoint((vec3 *)arrayGetItem(
hull->vertexArray, e->p2), edgeIndex);
// drawDebugPoint((vec3 *)arrayGetItem(
// hull->vertexArray, e->p1), edgeIndex);
// drawDebugPoint((vec3 *)arrayGetItem(
// hull->vertexArray, e->p2), edgeIndex);
//}
}
}