luboslenco
92 lines
2.7 KiB
Haxe
92 lines
2.7 KiB
Haxe
package arm.util;
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import kha.arrays.Float32Array;
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import iron.Scene;
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import iron.math.Vec4;
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import arm.ui.UISidebar;
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import arm.Enums;
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class ViewportUtil {
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public static function scaleToBounds() {
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var po = Context.mergedObject == null ? Context.mainObject() : Context.mergedObject;
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var md = po.data;
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md.geom.calculateAABB();
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var r = Math.sqrt(md.geom.aabb.x * md.geom.aabb.x + md.geom.aabb.y * md.geom.aabb.y + md.geom.aabb.z * md.geom.aabb.z);
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po = Context.mainObject();
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po.transform.dim.x = md.geom.aabb.x;
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po.transform.dim.y = md.geom.aabb.y;
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po.transform.dim.z = md.geom.aabb.z;
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po.transform.scale.set(2 / r, 2 / r, 2 / r);
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po.transform.buildMatrix();
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}
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public static function resetViewport() {
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var cam = Scene.active.camera;
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for (o in Scene.active.raw.objects) {
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if (o.type == "camera_object") {
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cam.transform.local.setF32(o.transform.values);
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cam.transform.decompose();
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if (UISidebar.inst.fovHandle != null) UISidebar.inst.fovHandle.value = 0.92;
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UISidebar.inst.camHandle.position = 0;
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cam.data.raw.ortho = null;
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cam.buildProjection();
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Context.ddirty = 2;
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arm.plugin.Camera.inst.reset();
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break;
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}
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}
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}
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public static function setView(x: Float, y: Float, z: Float, rx: Float, ry: Float, rz: Float) {
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Context.object.transform.rot.set(0, 0, 0, 1);
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Context.object.transform.dirty = true;
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var cam = Scene.active.camera;
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var dist = cam.transform.loc.length();
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cam.transform.loc.set(x * dist, y * dist, z * dist);
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cam.transform.rot.fromEuler(rx, ry, rz);
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cam.transform.buildMatrix();
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cam.buildProjection();
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Context.ddirty = 2;
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arm.plugin.Camera.inst.reset();
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}
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public static function orbit(x: Float, y: Float) {
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var cam = Scene.active.camera;
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var dist = arm.plugin.Camera.dist;
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cam.transform.move(cam.lookWorld(), dist);
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cam.transform.rotate(new Vec4(0, 0, 1), x);
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cam.transform.rotate(cam.rightWorld(), y);
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cam.transform.move(cam.lookWorld(), -dist);
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Context.ddirty = 2;
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}
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public static function zoom(f: Float) {
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var cam = Scene.active.camera;
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cam.transform.move(cam.look(), f);
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arm.plugin.Camera.dist -= f;
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Context.ddirty = 2;
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}
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public static function updateCameraType(cameraType: Int) {
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var cam = Scene.active.cameras[0];
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var light = Scene.active.lights[0];
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if (cameraType == CameraPerspective) {
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cam.data.raw.ortho = null;
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light.visible = true;
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}
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else {
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var f32 = new Float32Array(4);
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var f = cam.data.raw.fov * cam.transform.world.getLoc().length() / 2.5;
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f32[0] = -2 * f;
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f32[1] = 2 * f;
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f32[2] = -2 * f * (iron.App.h() / iron.App.w());
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f32[3] = 2 * f * (iron.App.h() / iron.App.w());
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cam.data.raw.ortho = f32;
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light.visible = false;
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}
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cam.buildProjection();
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Context.ddirty = 2;
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}
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}
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