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Update leenkx/Sources/leenkx/trait/physics/bullet/DebugDrawHelper.hx

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Onek8 2025-04-11 08:17:40 +00:00
parent 1944fc97b8
commit 07d98639f2
1 changed files with 24 additions and 5 deletions
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29
leenkx/Sources/leenkx/trait/physics/bullet/DebugDrawHelper.hx
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@ -49,9 +49,10 @@ class DebugDrawHelper {
final fromScreenSpace = worldToScreenFast(new Vec4(from.x(), from.y(), from.z(), 1.0)); final fromScreenSpace = worldToScreenFast(new Vec4(from.x(), from.y(), from.z(), 1.0));
final toScreenSpace = worldToScreenFast(new Vec4(to.x(), to.y(), to.z(), 1.0)); final toScreenSpace = worldToScreenFast(new Vec4(to.x(), to.y(), to.z(), 1.0));
// For now don't draw lines if any point is outside of clip space z,
// investigate how to clamp lines to clip space borders // investigate how to clamp lines to clip space borders
if (fromScreenSpace.w == 1 && toScreenSpace.w == 1) { // If at least one point is within the Z clip space (w==1), attempt to draw.
// Note: This is not full clipping, line may still go off screen sides.
if (fromScreenSpace.w == 1 || toScreenSpace.w == 1) {
lines.push({ lines.push({
fromX: fromScreenSpace.x, fromX: fromScreenSpace.x,
fromY: fromScreenSpace.y, fromY: fromScreenSpace.y,
@ -62,6 +63,25 @@ class DebugDrawHelper {
} }
} }
// Draws raycast in its own function because
// something is conflicting with the btVector3 and JS pointer wrapping
public function drawRayCast(fx:FastFloat, fy:FastFloat, fz:FastFloat, tx:FastFloat, ty:FastFloat, tz:FastFloat, r:FastFloat, g:FastFloat, b:FastFloat) {
final fromScreenSpace = worldToScreenFast(new Vec4(fx, fy, fz, 1.0));
final toScreenSpace = worldToScreenFast(new Vec4(tx, ty, tz, 1.0));
// TO DO: May still go off screen sides.
if (fromScreenSpace.w == 1 || toScreenSpace.w == 1) {
final color = kha.Color.fromFloats(r, g, b, 1.0);
lines.push({
fromX: fromScreenSpace.x,
fromY: fromScreenSpace.y,
toX: toScreenSpace.x,
toY: toScreenSpace.y,
color: color
});
}
}
public function drawContactPoint(pointOnB: Vector3, normalOnB: Vector3, distance: kha.FastFloat, lifeTime: Int, color: Vector3) { public function drawContactPoint(pointOnB: Vector3, normalOnB: Vector3, distance: kha.FastFloat, lifeTime: Int, color: Vector3) {
#if js #if js
pointOnB = js.Syntax.code("Ammo.wrapPointer({0}, Ammo.btVector3)", pointOnB); pointOnB = js.Syntax.code("Ammo.wrapPointer({0}, Ammo.btVector3)", pointOnB);
@ -106,7 +126,7 @@ class DebugDrawHelper {
x: contactPointScreenSpace.x, x: contactPointScreenSpace.x,
y: contactPointScreenSpace.y, y: contactPointScreenSpace.y,
color: color, color: color,
text: Std.string(lifeTime), // lifeTime: number of frames the contact point existed text: Std.string(lifeTime),
}); });
} }
} }
@ -159,8 +179,7 @@ class DebugDrawHelper {
// will cause Bullet to call the btIDebugDraw callbacks), but this way // will cause Bullet to call the btIDebugDraw callbacks), but this way
// we can ensure that--within a frame--the function will not be called // we can ensure that--within a frame--the function will not be called
// before some user-specific physics update, which would result in a // before some user-specific physics update, which would result in a
// one-frame drawing delay... Ideally we would ensure that debugDrawWorld() // one-frame drawing delay...
// is called when all other (late) update callbacks are already executed...
physicsWorld.world.debugDrawWorld(); physicsWorld.world.debugDrawWorld();
g.opacity = 1.0; g.opacity = 1.0;